Stats
Name:
Date:
Quiz 1
1. Find the average unemployment number with the data below:
sept 12' -- 12,188,000
aug 12' -- 12,444,000
jul 12' -- 12,694,000
jun 12' -- 12,649,000
may 12' -- 12,620,000
apr 12' -- 12,400,000
mar 12' -- 12,573,000
feb 12' -- 12,906,000
jan 12' -- 12,858,000
dec 11' -- 13,197,000
nov 11' -- 13,423,000
oct 11' -- 13,859,000
2) The questionnaire had this question:
What is your weight?
a) 0-100
b) 100-125
c) 125-150
d) 150-175
e) 175 and above
What type of data is being requested? (Bold one)
Nominal Ordinal Interval Ratio
3) The following question was put on a questionnaire:
What was your last height?
What type of data is being requested? (Bold one)
Nominal Ordinal Interval Ratio
4. This symbol ( represents
a) subtraction
b) mean
c) mode
d) summation
e) none of the above
5. What is the top rule in Dr. D’s course?
6. Solve for ((()2:
1, 7, 8, 2, -3, 5, -1, 5
7. According to the video, The Joy of Statistics, how do you handle the variation in data?
a) Convert them into shapes
b) Locate similarities and make deductions and findings
c) Summarize data to make generalizations
8. What are 3 primary reasons why a researcher would choose a sample instead of locating the entire population?
9. Complete the frequency distribution
The local manager of Food Queen is interested in the number of times a customer shops at her store during a two-week period. The responses of 51 customers were: (Complete the distribution)
5 3 3 1 4 4 5 6 4 2 6 6 6 7 1
1 14 1 2 4 4 4 5 6 3 5 3 4 5 6
8 4 7 6 5 9 11 3 12 4 7 6 5 14 1
1 10 8 9 2 12
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Classes |
F |
RF |
CRF |
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0 - 2 |
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3 – 5 |
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6 – 8 |
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9 – 11 |
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12 - 14 |
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Data: Frequency Distributions and Graphic Presentation
10. OWN TV quantified the color of eyes of all Tuesday night actresses on their sitcoms. What is that type of data? (Underline one)
Nominal Ordinal Interval Ratio