Question

Births by Day of the Week A doctor believes that the number of births by day of the week is uniformly distributed. To test this claim, you randomly select 700 births from a recent year and record the day of the week on which each takes place. The results are shown below. At ? = 0.01, can you reject the claim that the distribution is uniform? (Adapted from National Center for Health Statistics) Day Frequency Sunday 65 Monday 103 Tuesday 114 Wednesday 116 Thursday 115 Friday 112 Saturday 75

          Births by Day of the Week

A doctor believes that the number of births by day of the week is uniformly distributed. To test this claim, you randomly select 700 births from a recent year and record the day of the week on which each takes place. The results are shown below. At ? = 0.01, can you reject the claim that the distribution is uniform? (Adapted from National Center for Health Statistics)

Day Frequency
Sunday 65
Monday 103
Tuesday 114
Wednesday 116
Thursday 115
Friday 112
Saturday 75

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Births by Day of the Week

A doctor believes that the number of births by day of the week is uniformly distributed. To test this claim, you randomly select 700 births from a recent year and record the day of the week on which each takes place. The results are shown below. At ? = 0.01, can you reject the claim that the distribution is uniform? (Adapted from National Center for Health Statistics)

Day Frequency
Sunday 65
Monday 103
Tuesday 114
Wednesday 116
Thursday 115
Friday 112
Saturday 75

Added by Rebecca C.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Madhur L

06/08/2023

Step 1

First, we need to find the expected frequency for each day of the week if the distribution is uniform. Since there are 7 days in a week and 700 births in total, the expected frequency for each day is: Expected frequency = $\frac{700}{7} = 100$ Show more…

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Births by Day of the Week A doctor believes that the number of births by day of the week is uniformly distributed. To test this claim, you randomly select 700 births from a recent year and record the day of the week on which each takes place. The results are shown below. At a significance level of 0.01, can you reject the claim that the distribution is uniform? (Adapted from National Center for Health Statistics) Day Frequency Sunday 65 Monday 103 Tuesday 114 Wednesday 116 Thursday 115 Friday 112 Saturday 75

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