MS 150 Statistics Quiz 6 Name:

The table below uses the number of heads on tosses of seven pennies as the bin values x. The frequency is the number of tosses out of 1305 which came up for the number of heads shown.

For the table above:

1. Calculate the relative frequency

2. _____________ Determine the population mean number of heads per toss u.

3. _______________ What is the shape of the histogram distribution?

4. ________ In terms of the number of heads on tosses of seven pennies, what is the mode?

5. _____ Use the relative frequency to determine the probability of obtaining a toss of five heads on any one toss.

6. _____ Use the relative frequency to determine the probability of obtaining a toss of two or FEWER (less) heads on any one toss.

The following questions are not specific to the current chapter

1. Over the last 5 days, you made the following number of sales calls: 8, 7, 9, 5, and 7. On the average, how many calls did you make each day?
A. 5.8 B. 7.0 C. 7.2 D. 9.0 E. 36.0

2. If the average weight of the four players listed in the table above is 250 pounds, what is the weight, in pounds, of Player U?

A. 220 B. 230 C. 240
D. 250 E. 260