Question

#911. Teacher Salaries Based on the 2017-2018 Average Starting Teacher Salaries by State measured by NEA, the average starting salary for teachers in Rhode Island is $41,689, the sample size is 4,900 and the standard deviation is $458.58. What is the margin of error for a 90% confidence interval for the average teacher starting salaries in Rhode Island (in USD)? Your answer must be be the error that needs to be added/subtracted. Specifically, provide the value for X: $41,689 + X. If your answer is in decimal, make sure to include at least 2 NON-ZERO digits after the decimal point symbolic expression Save & Grade Save only

Answer 1

For further any clarification please comment and thank you.

n = 4900 M = 41689 T = 458.58 X = 0.1 Margin of enonon = 22 458.58 -0.05 A 900 = 164 x 45%.58 70 = 10.74 Ans.