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- 1. Multiple Choice
Page 137 #T.2.1 (Interpreting Percentiles)
a
b
c
d
e
- 2. Multiple Choice
Page 138 #T.2.5 (Calculate the standard deviation from a percentile.)
a
b
c
d
e
- 3. Multiple Choice
Page 138 #T.2.7 (Calculate the standard deviation using the empirical rule)
a
b
c
d
e
- 4. Multiple Choice
Page 138 #T.2.10 (Comparing Standardized Scores)
a
b
c
d
e
- 5. Multiple Choice
The number of absences during fall semester was recorded for each student in a large elementary school. The distribution of absences is displayed in the following cumulative relative frequency graph. What is the IQR for the distribution of absences?
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5
1
- 6. Multiple Choice
The weights of laboratory cockroaches follow a Normal distribution with mean 80 grams and standard deviation 2 grams. The following figure is the Normal curve for the distribution of weights. About what percent of the cockroaches have weights between 76 and 84 grams?
99.7%
95%
68%
47.5%
34%
- 7. Multiple Choice
For the density curve shown, which of the following statements is true?
The mean is larger than the median.
The proportion of outcomes between 0.2 and 0.5 is equal to 0.3.
The proportion of outcomes greater than 1.5 is equal to 0.25.
The area under the curve is 2.
- 8. Multiple Choice
The cumulative relative frequency graph describes the distribution of weights (in grams) of tomatoes grown in a laboratory experiment. Which of the following weights is closest to the median of the distribution?
120 grams
140 grams
170 grams
200 grams
- 9. Open Ended
Page 139 #T.2.12 (Percentile, finding percentage, finding the IQR)
- 10. Open Ended
Page 139 #T.2.13 (Assessing Normality)
- 11. Open Ended
Page 136 #R.2.2 (Reading a Cumulative Relative Frequency Graph)
- 12. Open Ended
Page 136 #R.2.5 (Empirical Rule & Using Table A)
- 13. Open Ended
Page 137 #R.2.7 (Using Table A & Finding Quartiles)
- 14. Multiple Choice
Jorge's score on Exam 1 in his statistics class was at the 64th percentile of the scores for all students. His score falls
between the minimum and first quartile
between the first quartile and the median
between the median and the third quartile
between the third quartile and the maximum
at the mean score for all students
- Answer choicesTagsAnswer choicesTags