Statistics

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Statistics

Asked: Nov 4th, 2015

Question Description

The December 2000 unemployment rates for the 50 states had a symmetric, single-peaked distribution with a mean of 3.47% and a standard deviation of about 1%. The unemployment rate for illinos that month was 4.5%. There were 42 states with lower unemployment rates than illinos.(a) Write a sentence comparing the actual rates of unemployment in illinois in December 2000 and september 2008.(b)Compare the percentiles for the illinois unemployment rate in these same two months in a sentence or two.© Compare the z-scores for the illinois unemployment rate in these same two months in a sentence or two.

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I WILL NOT PAY OVER $1DO NOT WRITE DOWN ANSWERS AND SEND PICTURES OF THEMTransform the following equations into standard f ...

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I WILL NOT PAY OVER $1DO NOT WRITE DOWN ANSWERS AND SEND PICTURES OF THEMTransform the following equations into standard form.1. x2 + 2x = -14 + x2 = 7xx2 - x = 1 2.x2 + 9x = 104x + 3 = x2x2 + 5x +5 3.2x5 + 7x = 3xx2 = 3x + 8x(x + 3) = 14. x2 - 3x = -2y2 - 7y = -6z2 - 5z = -4

You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.

1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown ...

You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.

1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.a. Make a two-way table that includes the marginal frequencies.b. Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.c. What is the probability that someone who is between the ages of 20-29 also texts regularly?d. What is the probability that someone who is between the ages of 40-49 also texts regularly?e. Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.a. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.b. Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.c. Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.d. Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.e. Use the regression feature on your calculator to find an exponential model and a power model to represent this data.f. Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.

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Respond these two questions 1- To determine whether a new sleeping pill has an effect that varies with dosage, a researche ...

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You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correl ...

Miami Dade College COVID 19 Spurious Correlation Statistics Discussion

You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correlation, which is defined as a correlation between two variables that does not result from a direct relationship between them. Instead, it results from the variables’ relationship to other variables. One example is the relationship between crime and ice cream sales. Ice cream sales and crime rates are highly correlated. However, ice cream sales do not cause crime; instead, it is both variables’ relationship to weather and temperature. Do some research and find some interesting, or even funny, examples of spurious correlation. Why is this an example of spurious correlation? How do you know?

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Ashford University ACC 206 Cost Prediction Paper

Ashford University ACC 206 Cost Prediction Paper

Algebra lesson 14 homework help

I WILL NOT PAY OVER $1DO NOT WRITE DOWN ANSWERS AND SEND PICTURES OF THEMTransform the following equations into standard f ...

Algebra lesson 14 homework help

I WILL NOT PAY OVER $1DO NOT WRITE DOWN ANSWERS AND SEND PICTURES OF THEMTransform the following equations into standard form.1. x2 + 2x = -14 + x2 = 7xx2 - x = 1 2.x2 + 9x = 104x + 3 = x2x2 + 5x +5 3.2x5 + 7x = 3xx2 = 3x + 8x(x + 3) = 14. x2 - 3x = -2y2 - 7y = -6z2 - 5z = -4

You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.

1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown ...

You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.

1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.a. Make a two-way table that includes the marginal frequencies.b. Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.c. What is the probability that someone who is between the ages of 20-29 also texts regularly?d. What is the probability that someone who is between the ages of 40-49 also texts regularly?e. Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.a. Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.b. Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.c. Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.d. Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.e. Use the regression feature on your calculator to find an exponential model and a power model to represent this data.f. Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.

71 pages

Thmt 3312 Bed And Breakfast Traveler Survey Data File

Rating Scale for IV and DV: 1) Very Poor, 2) Poor, 3) Average, 4) Good, 5 (Very Good) silhouette of the jungle appear like ...

Thmt 3312 Bed And Breakfast Traveler Survey Data File

Rating Scale for IV and DV: 1) Very Poor, 2) Poor, 3) Average, 4) Good, 5 (Very Good) silhouette of the jungle appear like an army of wraiths

Grand Canyon University Statistic Type to Analyze Data Discussion

Respond these two questions 1- To determine whether a new sleeping pill has an effect that varies with dosage, a researche ...

Grand Canyon University Statistic Type to Analyze Data Discussion

Respond these two questions 1- To determine whether a new sleeping pill has an effect that varies with dosage, a researcher randomly assigns adult insomniacs, in equal numbers, to receive either 4 or 8 grams of the sleeping pill. The amount of sleeping time is measured for each subject during an 8-hour period after the administration of the dosage. What type of design is this, and what type of statistic is needed to analyze the data?2 - Dr. Bill Board designs a 2 X 2 between-subjects factorial design, where Factor A is word frequency (low or high) and Factor B is category cues (no cues or cues). Assume that the data are interval. What type of statistic is needed to analyze the data?

Miami Dade College COVID 19 Spurious Correlation Statistics Discussion

You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correl ...

Miami Dade College COVID 19 Spurious Correlation Statistics Discussion

You may have heard it said before that “correlation does not imply causation.” This can also be called spurious correlation, which is defined as a correlation between two variables that does not result from a direct relationship between them. Instead, it results from the variables’ relationship to other variables. One example is the relationship between crime and ice cream sales. Ice cream sales and crime rates are highly correlated. However, ice cream sales do not cause crime; instead, it is both variables’ relationship to weather and temperature. Do some research and find some interesting, or even funny, examples of spurious correlation. Why is this an example of spurious correlation? How do you know?

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