# Calculus Worksheet-Boston College .

**1) Which of these measures are used to analyze the central tendency of data?**

A) Mean and Normal Distribution

B) Mean, Median and Mode

C) Mode, Alpha & Range

D) Standard Deviation, Range and Mean

E) Median, Range and Normal Distribution

**2) Five numbers are given: (5, 10, 15, 5, 15). Now, what would be the sum of deviations of individual data points from their mean?**

A) 10

B)25

C) 50

D) 0

E) None of the above

**3) A test is administered annually. The test has a mean score of 150 and a standard deviation of 20. If Ravi’s z-score is 1.50, what was his score on the test?**

A) 180

B) 130

C) 30

D) 150

E) None of the above

**4) Which of the following measures of central tendency will always change if a single value in the data changes?**

A) Mean

B) Median

C) Mode

D) All of these