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Standard deviation, average, charts, graphs, mean median mode range. Percentages and all questions are in pictures! Thank you!
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In a normal distribution, a data value located 0.8 standard deviations below the mean has Standard Score: z=
In a normal distribution, a data value located 2.1 standard deviations above the mean has Standard Score: z=
In a normal distribution, the mean has Standard Score: z=
The weights of a certain dog breed are approximately normally distributed with a mean of 48 pounds, and a standard deviation of 6.1 pounds. Use your graphing calculator to answer the following questions.
Write your answers in percent form. Round your answers to the nearest tenth of a percent.
a) Find the percentage of dogs of this breed that weigh less than 48 pounds.
b) Find the percentage of dogs of this breed that weigh less than 45 pounds.
c) Find the percentage of dogs of this breed that weigh more than 45 pounds.
%
%
%
The weights for newborn babies is approximately normally distributed with a mean of 5.6 pounds and a standard deviation of 1.1 pounds.
Consider a group of 900 newborn babies:
1. How many would you expect to weigh between 4 and 9 pounds?
2. How many would you expect to weigh less than 8 pounds?
3. How many would you expect to weigh more than 5 pounds?
4. How many would you expect to weigh between 5.6 and 10 pounds?
The weights of a certain dog breed are approximately normally distributed with a mean of u = 51 pounds, and a standard deviation of o = 7 pounds.
A dog of this breed weighs 56 pounds. What is the dog's Z-score? Round your answer to the nearest hundredth as needed.
A dog has a z-score of 0.58. What is the dog's weight? Round your answer to the nearest tenth as needed.
pounds
A dog has a z-score of -0.58. What is the dog's weight? Round your answer to the nearest tenth as needed.
pounds
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MAT222- Week 1 ALEKS Lab_Quiz and Homework
InstructionsWeek 1 Quiz[CLOs: 1, 2]Go to ALEKS and select the eBook link in the right margin. Next, select the “Media” ...
MAT222- Week 1 ALEKS Lab_Quiz and Homework
InstructionsWeek 1 Quiz[CLOs: 1, 2]Go to ALEKS and select the eBook link in the right margin. Next, select the “Media” tab and watch the assigned videos below. Once you have reviewed the videos, return to the classroom to take the quiz in the left navigation toolbar. This quiz consists of 5 questions and is worth 2% of your course grade.ALEKS Lab and Algebra Review[CLOs: 1, 2, 4]Access the ALEKS site here. Selecting this link will open the ALEKS window that allows you to access the ALEKS functionality. In addition, you may want to disable any pop-up blockers for this site.For the Week One Math Lab, click on the ALEKS tab on the left navigation toolbar, in your online course. Review the tutorial on how to use ALEKS for your lab. Work in the Week One module by selecting topics from your “pie.”Week 1 ALEKS Homework[CLOs: 1, 2, 4]Access the ALEKS site here. Selecting this link will open the ALEKS window that allows you to access the ALEKS functionality. In addition, you may want to disable any pop-up blockers for this site.
OU Statistical Procedures Sampling Distributions & Hypothesis Testing Worksheet
40 questions on Sampling Distributions and Hypothesis Testing.Class notes and examples attached below. Thanks!!
OU Statistical Procedures Sampling Distributions & Hypothesis Testing Worksheet
40 questions on Sampling Distributions and Hypothesis Testing.Class notes and examples attached below. Thanks!!
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $ ...
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $10.75, and $6.50. Find the mean, median, and mode.
Question 1 options:
$9.35, $9.43, $6.50 and $8.95
$9.35, $10.45, no mode
$9.89, $9.43, $8.95
$9.89, $10.45, $6.50, and $8.95
Question 2 (5 points)
The spinner shown at right is spun once. Determine the probability of each outcome. Express each probability as a fraction and as a percent. Then describe the likelihood of the event. Write impossible, unlikely, equally likely, likely, or certain.
P(odd)Question 2 options:
; likely
; equally likely
; impossible
; certain
Question 3 (5 points)
Identify the sample as biased or unbiased and describe its type.
Tia surveyed every third house in the locality to determine the number of people who own pets.Question 3 options:
unbiased, simple random sample
biased, voluntary response sample
unbiased, systematic random sample
biased, convenience sample
Question 4 (5 points)
Find the median of the following set of data. Round to the nearest tenth if necessary.
26.1, 8.4, 11.4, 44.1, 32.3, 46, 41, 18.5, 20, 9.3, 19.6Question 4 options:
32.3
20
26.1
25.2
Question 5 (5 points)
Before starting a summer jobs program, the school board conducted a survey at various schools. They interviewed 30% of the high school students to know whether they would participate in the program. The results are shown in the graph.
Is this sampling method valid? If so, how many of 750 students of various high schools are likely to participate in this program?
Question 5 options:
no, 125
yes, 125
no, 625
yes, 625
Question 6 (5 points)
A number cube is tossed and the spinner below is spun. Find P(3 and C).
Question 6 options:
Question 7 (5 points)
Matthew has 8 dimes and 10 quarters in a box. Find the probability of drawing a dime.
Question 7 options:
Question 8 (5 points)
In baseball, Shintaro had 4 hits in his last 12 times at bat.
If Shintaro has 36 at bats in the next week, about how many hits will he have?Question 8 options:
24
12
10
9
Question 9 (5 points)
Find the mean of each set of data. Round to the nearest tenth if necessary.
14, 39, 27, 17, 17, 25, 10, 37Question 9 options:
23.3
21.3
24.8
21
Question 10 (5 points)
The table shows the number of campsite reservations at two different state parks over the past 10 weekends.
Number of Campsite Reservations
East Fork
32
36
39
39
43
45
50
51
56
80
Blue Ridge
38
40
45
47
51
52
60
62
69
73
Are there any outliers in the data for either state park? Question 10 options:
The data points 56 and 80 reservations are outliers for East Fork.
The data point 38 reservations is an outlier for Blue Ridge.
The data point 80 reservations is an outlier for East Fork.
There are no outliers.
Question 11 (5 points)
Find the range for the set of data.
101, 72, 115, 114, 117, 56, 101, 68, 111, 58, 51, 51, 90Question 11 options:
64
85
66
90
Question 12 (5 points)
Find the probability.
A marble is randomly selected from a bag containing 15 black, 12 white, and 6 clear marbles. Find P(not clear). Round to the nearest percent if necessary.
Question 12 options:
18%
82%
64%
55%
Question 13 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
14.6, 28.1, 3.9, 7.1, 5.3, 30.9, 2.8, 6.5, 20.8, 16.4, 16.4, 27.1, 53.5, 12.5, 6.1 Question 13 options:
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 20, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: 2.8
median: 14.6, Q1: 6.1, Q3: 25.1, IR: 21, outliers: none
Question 14 (5 points)
Nina’s quiz scores for the quarter are 90, 79, 5, 84, 95, 81, 87, and 94. Which measure of central tendency best represents the data shown in the table and why?
Question 14 options:
Since the data have many repeated values, the mode best represents the data.
Since there is an extreme value (5) and there are no big gaps in the middle of the data, the median best represents the data.
Since there are no extreme values, the mean best represents the data.
Since there are no extreme values and few repeated numbers, the median best represents the data.
Question 15 (5 points)
The frequency table shows Sam’s record in swimming.
Year
Number of medals
2008
6
2009
4
2010
1
2012
7
2013
4
Based on this record, what is the probability of picking up a medal won by him in the years 2009 or 2012.
Question 15 options:
2
Question 16 (5 points)
Lionel is apartment hunting. He makes a table of prospective apartment choices.
Apartment Rental PricesApartment ChoicePrice per Month ($)1630275536754765569066807675
Which measure of central tendency best represents the data shown in the table and why?
Question 16 options:
Since the data is grouped close together, the mode best represents the data.
Since there are no extreme values, the median best represents the data.
Since there are no extreme values and few repeated numbers, the mean best represents the data.
Since the value 675 occurs more than once, the mode best represents the data.
Question 17 (5 points)
The table shows the number of points scored by each team in a tournament.
Number of Points Scored
12
25
16
20
31
16
19
22
Find the mean absolute deviation of the number of points scored. Round to the nearest hundredth if necessary.
Question 17 options:
4.41
16
20.13
35.26
Question 18 (5 points)
Find the mode of each set of data.
33, 19, 15, 39, 39, 34, 24, 29Question 18 options:
31
29
32
39
Question 19 (5 points)
Find the probability.
A bag of sweets contains 20 gummy bears and 35 orange slices. One sweet is taken at random from the bag. Find P(gummy bear).Question 19 options:
Question 20 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
111, 68, 93, 88, 74, 152, 119, 87, 88, 105, 84, 102, 151, 115, 112 Question 20 options:
median: 102, Q1: 87, Q3: 113, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 28, outliers: 68
median: 102, Q1: 87, Q2: 115, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 27, outliers: none
Submit Quiz0 of 20 questions saved
4 pages
Buying Versus Renting
Assume X is the amount of closing cost, and Y is the amount of down payment. The maximum down payment is when $40,000 of t ...
Buying Versus Renting
Assume X is the amount of closing cost, and Y is the amount of down payment. The maximum down payment is when $40,000 of the savings is to spend.
10 pages
Discussion.edited
Frankfort-Nachmias and Leon-Guerrero (2018) defined multiple regression as one of the models used by researchers to predic ...
Discussion.edited
Frankfort-Nachmias and Leon-Guerrero (2018) defined multiple regression as one of the models used by researchers to predict a dependent based on two ...
3 pages
Attachment 1 17
A study was conducted on 20 randomly chosen students at a large university. The heights (in inches) of all 20 students wer ...
Attachment 1 17
A study was conducted on 20 randomly chosen students at a large university. The heights (in inches) of all 20 students were recorded and they were ...
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Most Popular Content
MAT222- Week 1 ALEKS Lab_Quiz and Homework
InstructionsWeek 1 Quiz[CLOs: 1, 2]Go to ALEKS and select the eBook link in the right margin. Next, select the “Media” ...
MAT222- Week 1 ALEKS Lab_Quiz and Homework
InstructionsWeek 1 Quiz[CLOs: 1, 2]Go to ALEKS and select the eBook link in the right margin. Next, select the “Media” tab and watch the assigned videos below. Once you have reviewed the videos, return to the classroom to take the quiz in the left navigation toolbar. This quiz consists of 5 questions and is worth 2% of your course grade.ALEKS Lab and Algebra Review[CLOs: 1, 2, 4]Access the ALEKS site here. Selecting this link will open the ALEKS window that allows you to access the ALEKS functionality. In addition, you may want to disable any pop-up blockers for this site.For the Week One Math Lab, click on the ALEKS tab on the left navigation toolbar, in your online course. Review the tutorial on how to use ALEKS for your lab. Work in the Week One module by selecting topics from your “pie.”Week 1 ALEKS Homework[CLOs: 1, 2, 4]Access the ALEKS site here. Selecting this link will open the ALEKS window that allows you to access the ALEKS functionality. In addition, you may want to disable any pop-up blockers for this site.
OU Statistical Procedures Sampling Distributions & Hypothesis Testing Worksheet
40 questions on Sampling Distributions and Hypothesis Testing.Class notes and examples attached below. Thanks!!
OU Statistical Procedures Sampling Distributions & Hypothesis Testing Worksheet
40 questions on Sampling Distributions and Hypothesis Testing.Class notes and examples attached below. Thanks!!
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $ ...
pre algebra part 2
Question 1 (5 points)
Prices for the salad bar at some local restaurants are $8.95, $6.50, $12.25, $9.90, $11.00, $8.95, $10.75, and $6.50. Find the mean, median, and mode.
Question 1 options:
$9.35, $9.43, $6.50 and $8.95
$9.35, $10.45, no mode
$9.89, $9.43, $8.95
$9.89, $10.45, $6.50, and $8.95
Question 2 (5 points)
The spinner shown at right is spun once. Determine the probability of each outcome. Express each probability as a fraction and as a percent. Then describe the likelihood of the event. Write impossible, unlikely, equally likely, likely, or certain.
P(odd)Question 2 options:
; likely
; equally likely
; impossible
; certain
Question 3 (5 points)
Identify the sample as biased or unbiased and describe its type.
Tia surveyed every third house in the locality to determine the number of people who own pets.Question 3 options:
unbiased, simple random sample
biased, voluntary response sample
unbiased, systematic random sample
biased, convenience sample
Question 4 (5 points)
Find the median of the following set of data. Round to the nearest tenth if necessary.
26.1, 8.4, 11.4, 44.1, 32.3, 46, 41, 18.5, 20, 9.3, 19.6Question 4 options:
32.3
20
26.1
25.2
Question 5 (5 points)
Before starting a summer jobs program, the school board conducted a survey at various schools. They interviewed 30% of the high school students to know whether they would participate in the program. The results are shown in the graph.
Is this sampling method valid? If so, how many of 750 students of various high schools are likely to participate in this program?
Question 5 options:
no, 125
yes, 125
no, 625
yes, 625
Question 6 (5 points)
A number cube is tossed and the spinner below is spun. Find P(3 and C).
Question 6 options:
Question 7 (5 points)
Matthew has 8 dimes and 10 quarters in a box. Find the probability of drawing a dime.
Question 7 options:
Question 8 (5 points)
In baseball, Shintaro had 4 hits in his last 12 times at bat.
If Shintaro has 36 at bats in the next week, about how many hits will he have?Question 8 options:
24
12
10
9
Question 9 (5 points)
Find the mean of each set of data. Round to the nearest tenth if necessary.
14, 39, 27, 17, 17, 25, 10, 37Question 9 options:
23.3
21.3
24.8
21
Question 10 (5 points)
The table shows the number of campsite reservations at two different state parks over the past 10 weekends.
Number of Campsite Reservations
East Fork
32
36
39
39
43
45
50
51
56
80
Blue Ridge
38
40
45
47
51
52
60
62
69
73
Are there any outliers in the data for either state park? Question 10 options:
The data points 56 and 80 reservations are outliers for East Fork.
The data point 38 reservations is an outlier for Blue Ridge.
The data point 80 reservations is an outlier for East Fork.
There are no outliers.
Question 11 (5 points)
Find the range for the set of data.
101, 72, 115, 114, 117, 56, 101, 68, 111, 58, 51, 51, 90Question 11 options:
64
85
66
90
Question 12 (5 points)
Find the probability.
A marble is randomly selected from a bag containing 15 black, 12 white, and 6 clear marbles. Find P(not clear). Round to the nearest percent if necessary.
Question 12 options:
18%
82%
64%
55%
Question 13 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
14.6, 28.1, 3.9, 7.1, 5.3, 30.9, 2.8, 6.5, 20.8, 16.4, 16.4, 27.1, 53.5, 12.5, 6.1 Question 13 options:
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 20, outliers: none
median: 14.6, Q1: 6.1, Q3: 27.1, IR: 21, outliers: 2.8
median: 14.6, Q1: 6.1, Q3: 25.1, IR: 21, outliers: none
Question 14 (5 points)
Nina’s quiz scores for the quarter are 90, 79, 5, 84, 95, 81, 87, and 94. Which measure of central tendency best represents the data shown in the table and why?
Question 14 options:
Since the data have many repeated values, the mode best represents the data.
Since there is an extreme value (5) and there are no big gaps in the middle of the data, the median best represents the data.
Since there are no extreme values, the mean best represents the data.
Since there are no extreme values and few repeated numbers, the median best represents the data.
Question 15 (5 points)
The frequency table shows Sam’s record in swimming.
Year
Number of medals
2008
6
2009
4
2010
1
2012
7
2013
4
Based on this record, what is the probability of picking up a medal won by him in the years 2009 or 2012.
Question 15 options:
2
Question 16 (5 points)
Lionel is apartment hunting. He makes a table of prospective apartment choices.
Apartment Rental PricesApartment ChoicePrice per Month ($)1630275536754765569066807675
Which measure of central tendency best represents the data shown in the table and why?
Question 16 options:
Since the data is grouped close together, the mode best represents the data.
Since there are no extreme values, the median best represents the data.
Since there are no extreme values and few repeated numbers, the mean best represents the data.
Since the value 675 occurs more than once, the mode best represents the data.
Question 17 (5 points)
The table shows the number of points scored by each team in a tournament.
Number of Points Scored
12
25
16
20
31
16
19
22
Find the mean absolute deviation of the number of points scored. Round to the nearest hundredth if necessary.
Question 17 options:
4.41
16
20.13
35.26
Question 18 (5 points)
Find the mode of each set of data.
33, 19, 15, 39, 39, 34, 24, 29Question 18 options:
31
29
32
39
Question 19 (5 points)
Find the probability.
A bag of sweets contains 20 gummy bears and 35 orange slices. One sweet is taken at random from the bag. Find P(gummy bear).Question 19 options:
Question 20 (5 points)
Find the median, first quartile, third quartile, interquartile range, and any outliers for each set of data.
111, 68, 93, 88, 74, 152, 119, 87, 88, 105, 84, 102, 151, 115, 112 Question 20 options:
median: 102, Q1: 87, Q3: 113, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 28, outliers: 68
median: 102, Q1: 87, Q2: 115, IR: 28, outliers: none
median: 102, Q1: 87, Q3: 115, IR: 27, outliers: none
Submit Quiz0 of 20 questions saved
4 pages
Buying Versus Renting
Assume X is the amount of closing cost, and Y is the amount of down payment. The maximum down payment is when $40,000 of t ...
Buying Versus Renting
Assume X is the amount of closing cost, and Y is the amount of down payment. The maximum down payment is when $40,000 of the savings is to spend.
10 pages
Discussion.edited
Frankfort-Nachmias and Leon-Guerrero (2018) defined multiple regression as one of the models used by researchers to predic ...
Discussion.edited
Frankfort-Nachmias and Leon-Guerrero (2018) defined multiple regression as one of the models used by researchers to predict a dependent based on two ...
3 pages
Attachment 1 17
A study was conducted on 20 randomly chosen students at a large university. The heights (in inches) of all 20 students wer ...
Attachment 1 17
A study was conducted on 20 randomly chosen students at a large university. The heights (in inches) of all 20 students were recorded and they were ...
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