A report provided the following information on the sex of smartphone users for representative samples of young people ages 15 to 24 in several different countries. Percent Female Percent Male United States 57% 43% Spain 38% 62% Italy 37% 63% India 18% 82% (a) Suppose the sample sizes were 1,000 for the United States and for India and 500 for Spain and Italy. Complete the following two-way table by entering the observed counts. Female Male United States Spain Italy India (b) Carry out a hypothesis test to determine if there is convincing evidence that the sex proportions are not the same for all four countries. Use a significance level of 0.05. Calculate the test statistic. (Round your answer to two decimal places.) ?2 = Use technology or SALT to calculate theP-value. (Round your answer to four decimal places.) P-value =

A report provided the following information on the sex of smartphone users for representative samples of young people ages 15 to 24 in several different countries. Percent Female Percent Male United...

A report provided the following information on the sex of smartphone users for representative samples of young people ages 15 to 24 in several different countries.

	Percent Female	Percent Male
United States	57%	43%
Spain	38%	62%
Italy	37%	63%
India	18%	82%

(a)

Suppose the sample sizes were 1,000 for the United States and for India and 500 for Spain and Italy. Complete the following two-way table by entering the observed counts.

	Female	Male
United States
Spain
Italy
India

(b)

Carry out a hypothesis test to determine if there is convincing evidence that the sex proportions are not the same for all four countries. Use a significance level of 0.05.

Calculate the test statistic. (Round your answer to two decimal places.)

?² =

Use technology or SALT to calculate theP-value. (Round your answer to four decimal places.)

P-value =

Jun 09, 2022

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A report provided the following information on the sex of smartphone users for representative samples of young people ages 15 to 24 in several different countries. Percent Female Percent Male United...

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