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Chapter 1: Q. 1.2 (page 14)

Make a graph to display the marginal distribution. Describe what you see

Short Answer

Expert verified

In the graph no huge difference of opinion is seen from both genders.

Step by step solution

01

Given Data set 

The data set which is given in page 12 is as follows;



Gender
OpinionsMaleFemaleTotal
Almost no chance9698194
Same chance with no probability426286712
50-50 chance6967201416
Good chance6637581421
Certain4865971083
Total236724594826
02

Interpretation of Graph 

From the above data graph can be developed as follows;

According to the above graph; it has been seen that male and female have no huge difference within their opinions .

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Most popular questions from this chapter

The National Survey of Adolescent Health interviewed several thousand teens (grades 7to 12). One question asked was 鈥淲hat do you think are the chances you will be married in the next ten years?鈥� Here is a two-way table of the responses by gender:

What percent of females thought that they were almost certain to be married in the next ten years?

(a) About 16% (c) About 40% (e) About 61%

(b) About 24% (d) About 45%

Dates on coins

(a) Sketch a dot-plot for a distribution that is skewed to the left.

(b) Suppose that you and your friends emptied your pockets of coins and recorded the year marked on each coin. The distribution of dates would be skewed to the left. Explain why.

Which of the following statements about this distribution is not correct?

(a) The histogram is right-skewed.

(b) The median is less than \(20

(c) The IQR is \)35

(d) The mean is greater than the median.

(e) The histogram is unimodal.

Marginal distributions aren鈥檛 the whole story Here are the row and column totals for a two-way table with two rows and two columns:

Find two different sets of counts a,b,c, and d for the body of the table that gives these same totals. This shows that the relationship between two variables cannot be obtained from the two individual distributions of the variables.

The histogram below shows the distribution of the per cent of women aged 15 and over who have never married in each of the 50 states and the District of Columbia.

The center of this distribution is in the interval

(a) 22%to 24%

(b) 24%to 26%

(c)26%to28%

(d) 28%to 30%

(e)36%to 38%
See all solutions

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