Purchase Solution

Central Tendency

Not what you're looking for?

Ask Custom Question

3. Exercise 3 used ISSP date on the number of hours worked per week for a sample
of 75 Japanese adults

a. Calculate the mean for worked hours worked per week.

b.Compare the value of the mean with those you have already calculated for the
median. Without constructing a histogram, describe whether and how the
distribution of hours worked per week skewed.

The following data frequency distribution contains info on the # of hrs worked per week for a sample of 75 Japanese adults.

Hours worked per week Frequency Percent Cumulative Percent
7 1 1.3 1.3
12 1 1.3 2.6
15 2 2.7 5.3
20 3 4.0 9.3
24 1 1.3 10.6
30 7 9.3 19.9
32 1 1.3 21.2
35 2 2.7 23.9
36 2 2.7 26.6
38 2 2.7 29.3
40 13 17.3 46.6
41 1 1.3 47.9
42 2 2.7 50.6
43 1 1.3 51.9
45 7 9.3 61.2
48 2 2.7 63.9
50 14 18.7 82.6
54 2 2.7 85.3
55 1 1.3 86.6
60 6 8.0 94.6
65 1 1.3 95.9
66 1 1.3 97.2
68 1 1.3 98.5
72 1 1.5 100.00

total 75 100.

Purchase this Solution

Solution Preview

3. Exercise 3 used ISSP date on the number of hours worked per week for a sample of 75 Japanese adults
a. Calculate the mean for worked hours worked per week.

To find the mean, ...

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.