Answer Happy

Posted: **Wed May 11, 2022 3:49 pm**

: Amir Is Studying High Schools In Kentucky He Categorizes Them According To County And Then Randomly Selects 10 Countie 1 (12.45 KiB) Viewed 23 times

: Amir Is Studying High Schools In Kentucky He Categorizes Them According To County And Then Randomly Selects 10 Countie 2 (10.79 KiB) Viewed 23 times

: Amir Is Studying High Schools In Kentucky He Categorizes Them According To County And Then Randomly Selects 10 Countie 3 (7.66 KiB) Viewed 23 times

Amir is studying high schools in Kentucky. He categorizes them according to county, and then randomly selects 10 counties for study (and ignores the other 110). He studies each school within those counties. What sampling method is he using? Simple andom Stratified random Systematic

A sample of 100 items tas a sample mean of 1.420. The population standard deviation is equal to 5. What is the standard error of the mean? DOS 0.9 C. OS

A sample of 100 items has a sample mean of 1.420. The population standard deviation is equal to 5. What in the margin of error at the 95% level? 05 0. 1.96