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Stat 321  HW 1
Due beginning of class, Tuesday, Jan. 15
1) This activity asks you to consider the value of statistics ratings that you and your classmates
gave to Statistics in the Stat 321 Initial survey (1=completely useless to 9=extremely important).
The responses of the first 31 individuals were:
6, 9, 9, 6, 7, 9, 7, 7, 7, 9, 9, 7, 7, 7, 7, 7, 6 ,6 ,8, 6, 6, 5,
7, 7, 6, 9, 7, 8, 9, 8, 8
a)
Tally the responses of students in your class by counting how many students answered 1,
how many answered 2, and so on. Create a table similar to the following to organize the data:
Rating
1
2
3
4
5
6
7
8
9
Tally (count)
b) Which value was chosen most often (the “mode”)?
c) How many and what proportion of students gave a response (strictly) greater than 5? Less than
5?
d) Based on these data, write a paragraph interpreting how your class generally seems to feel
about the value of statistics in society. Specifically, comment on the degree to which these
students seem to be in agreement. Also address if students seem to be generally optimistic,
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 Winter '08
 Chance
 Statistics, Probability

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