Ch9 Q3

Test statistics?

we reject or not reject? There isot sufficient to conclude?

P value?

Suppose the average size of a new house built in a certain county in 2014 was 2,270 square feet. A random sample of 25 new homes built in this county was selected in 2018. The average square footage was 2,190, with a sample standard deviation of 224 square foot Complete parts a and b. Determine the null and alternative hypotheses. How = 2270 Hp. 2270 (Type integers or decimals. Do not round.) Determine the appropriate critical value. Select the correct choice below and fill in the answer box within your choice (Round to three decimal places as needed.) OA - a/2 = 2.492 Calculate the appropriate test statistic (Round to two decimal places as needed.) 10 Vi v 1. More Clear all Check answer Help me solve this View an example Get more help Suppose the average size of a new house built in a certain county in 2014 was 2.270 square foot. A random sample of 25 now homes built in this county was selected in 2018. The average square footage was 2.190, with a sample standard deviation of 224 square foot Complete parts and Determine the null and tomative hypotheses. How = 2270 H. 2270 Type Integers or decimals Do not round) Determine the appropriate critical value. Select the correct choice below and fill in the answer box within your choice (Round to three decimal places as needed) BI W2 2492 - Calculate the appropriate test statistic (Round to two decimal places as needed + ! u MC Clear all Che Hal move this View an example Get more help