Question

the adverage college student was surveyed about the amount of money they have in their bank accounts using the data develop a 90 percent confidence interval if the standard deviation is 23.9037. $55 and $66 $44 and $33 $22 and $66 and $55 $88 $99 $77

Answer 1

Result:

the average college student was surveyed about the amount of money they have in their bank accounts using the data develop a 90 percent confidence interval if the standard deviation is 23.9037. $55 and $66 $44 and $33 $22 and $66 and $55 $88 $99 $77

Confidence Interval Estimate for the Mean
Data
Population Standard Deviation	23.9037
Sample Mean	60.5
Sample Size	10
Confidence Level	90%
Intermediate Calculations
Standard Error of the Mean	7.5590
Z Value	1.645
Interval Half Width	12.4335
Confidence Interval
Interval Lower Limit	48.0665
Interval Upper Limit	72.9335

90% CI = (48.0665, 72.9335)