Question

average etc.

The answer is her just want to compare. Which one? 🙂

1). Consider the following data on distances traveled by people to visit the local amusement park and calculate the relative frequency for the shortest distance.
Distance——frequency
1-8 15
9-16 12
17-24 7
25-32 5
33- 40 1
possible answers:
.375
.150
.500
.300
.333

2. The following is a relative frequency distribution of grades in an introductory statistics course.

If this was the distribution of 200 students, find the frequency of failures:
Grades / relative
frequency
A .22,
B .37
C .18
D .17
F .06

possible answers
12
6
23
46
3

3) The following table shows the Price-to-Earnings ratio for a Stereo equipment manufacturing company between 1998 and 2002.

Determine the percentage change in the P/E ratios from 1999 to 2000.
year P/E ratio
1998 12.4
1999 14.6
2000 11.1
2001 8.2
2002 6.8

possible answers :
33.97%
31.53%
27.26%
-31.53%
-23.97%
which is the correct answer? please show your work or explain how you got the answer. thank you!

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