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Chapter 1: Q 11. (page 22)

Birthdays Births are not evenly distributed across the days of the week. Here are the average numbers of babies born on each day of the week in the United

States in a recent year:

(a) Present these data in a well-labeled bar graph. Would it also be correct to make a pie chart?

(b) Suggest some possible reasons why there are fewer births on weekends.

Short Answer

Expert verified

Part (a) Yes it is right to make the pie chart.

Part (b)Because these are planned births.

Step by step solution

01

Part (a) Step 1: Given information

As per the description given data is for Analysing two-way tables is

Sunday7,374
Monday11,704
Tuesday13,169
Wednesday13,038
Thursday 13,01313,013
Friday12,664
Saturday8,459
02

Part (a) Step 2: Explanation

The bars' widths must match, and their heights must be equal to the birth rates. The following is a bar graph:

Because the data is available for the entire week, and babies cannot be delivered on two distinct days, a pie chart will be ideal (on weekends). Each category is represented by a circle with slices.

03

Part (b) Step 1: Explanation

Because deliveries are planned for both convenience and caesarean sections, there are higher birth rates on weekends.

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