# Distribution Assignment | Professional Writing Services

Are birthdays “evenly distributed” throughout the year, or are they more common during some parts of the year than others? Owners of a children’s toy store chain in the Northwest asked just this question. Some data collected by the chain are summarized in Table 1 below.The data were obtained from a random sample of 170 people.

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The birthdate of each person was recorded, and each of these dates was placed into one of four categories: winter (December 21-March 20), spring (March 21-June 20), summer (June 21-September 20), and fall (September 21-December 20). The numbers in the first row of Table 1 are the observed frequencies in the sample for each of these season categories.

The numbers in the second row of Table 1 are the expected frequencies under the assumption that birthdays are equally likely during each season of the year. The numbers in the bottom row of Table 1 are the values (Observed frequency – Expected frequency)2 Expected frequency for each of the season categories. Fill in the missing values of Table 1. Then, using the level of significance, perform a test of the hypothesis that birthdays are equally likely during each season of the year. Then complete Table 2.Round your responses for the expected frequencies in Table 1 to at least two decimal places. Round your responses in Table 1 to at least three decimal places. Round your responses in Table 2 as specified

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