The Department of Kids states that the cost of raising a child from birth to the...
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The Department of Kids states that the cost of raising a child from birth to the age of legal adulthood is $37000. You think that the cost is much greater. You take a sample of 150 families and record what their cost of raising their child was. You find that their mean cost was $38602. Assume that you know that the population standard deviation cost for raising a child is $8000. Test the claim at a 5% level of significance. Ho: = 37000 Ha 37000 What is the value of your test statistic? (this is your z-score) Round your answer to four decimal places. 2.4487 Your answer is incorrect. Part 2 of 3 Use Excel to find your p-value? left-tailed test: =NORM.S.DIST( [Zscore], 1) right-tailed test: =1- NORM.S.DIST( [Zscore], 1) two-tailed test: =2*(1- NORM.S.DIST( abs([Zscore]), 1 )) Round your answer to four decimal places. % Esp The Department of Kids states that the cost of raising a child from birth to the age of legal adulthood is $37000. You think that the cost is much greater. You take a sample of 150 families and record what their cost of raising their child was. You find that their mean cost was $38602. Assume that you know that the population standard deviation cost for raising a child is $8000. Test the claim at a 5% level of significance. Ho: = 37000 Ha 37000 What is the value of your test statistic? (this is your z-score) Round your answer to four decimal places. 2.4487 Your answer is incorrect. Part 2 of 3 Use Excel to find your p-value? left-tailed test: =NORM.S.DIST( [Zscore], 1) right-tailed test: =1- NORM.S.DIST( [Zscore], 1) two-tailed test: =2*(1- NORM.S.DIST( abs([Zscore]), 1 )) Round your answer to four decimal places. % Esp
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