4. The city manager has received complaints that local firefighters are underpaid. He gathers a random sample of 120 firefighters and finds that their average salary is 38,073, with a standard deviation of 575. If she knows the national average salary is 38,202, how should she respond to the complaint? am cample of

Please answer the question in the picture below to answer the question in the other picture

You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test

At a recent home football game, the Falcons surveyed fans to name their favorite Falcons player. What type of data was collected?     Bivariate and Quantitative     Bivariate and Categorical     Univariate and Quantitative     Univariate and Categorical

Please help me with both parts a and b of this question! Thank you!

Anxiety when taking math tests is a common problem. If I want to study this issue, which of the following describes the best way to find out the proportion of students who suffer from math anxiety? O Select students who have scored poorly in math classes at CCBC. Poll students as they enter campus on a randomly selected day. Talk to students randomly pulled from the list of all students. Interview students who have finals on the first day of finals week.

Find the z score for population value of 3