# Stat 200 quiz

**Question description**

Please show all work for solutions

## Tutor Answer

===========================================please find the attachment

STAT 200 QUIZ 1 WEEKS 1, 2, AND 3

(10 QUESTIONS @ 0.8 = 8 PTS)

ANSWERS ONLY.

FALL 2017

MUST SHOW YOUR WORK, BUT POINTS AWARDED FOR CORRECT

#1. Qualitative data “measured’ on which SCALE(S) can NOT provide valid statistics?

Catogarical data.

#2. A PIE CHART is a circle and a circle has 360 degrees (360o). If a family’s annual expenses were $ 15,000

for groceries, $ 4,000 for fuel, and $ 24,000 for rent, what PERCENT of the circle area (showing the sum of all

3 expenses) is each expense? THEN, for the pie chart, what are the three WEDGE ANGLES (in degrees) ?

(Google “protractor”)

𝐓𝐨𝐭𝐚𝐥 𝐞𝐱𝐩𝐞𝐧𝐬𝐞 = 𝟏𝟓𝟎𝟎𝟎 + 𝟒𝟎𝟎𝟎 + 𝟐𝟒𝟎𝟎𝟎 = $𝟒𝟑𝟎𝟎𝟎

The percentages for each expense can be calculated as follows.

𝐞𝐱𝐩𝐞𝐧𝐬𝐞 𝐟𝐨𝐫 𝐠𝐫𝐨𝐜𝐞𝐫𝐢𝐞𝐬

𝐆𝐫𝐨𝐜𝐞𝐫𝐢𝐞𝐬 =

𝐭𝐨𝐭𝐚𝐥 𝐞𝐱𝐩𝐞𝐧𝐬𝐞

𝟏𝟓𝟎𝟎𝟎

𝐆𝐫𝐨𝐜𝐞𝐫𝐢𝐞𝐬 =

× 𝟏𝟎𝟎%

𝟒𝟑𝟎𝟎𝟎

𝐆𝐫𝐨𝐜𝐞𝐫𝐢𝐞 = 𝟑𝟒. 𝟖𝟖𝟒%

As same as,

𝟒𝟎𝟎𝟎

𝐅𝐮𝐞𝐥 =

× 𝟏𝟎𝟎%

𝟒𝟑𝟎𝟎𝟎

𝐅𝐮𝐞𝐥 = 𝟗. 𝟑𝟎𝟐%

𝟐𝟒𝟎𝟎...

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