In a random sample of 60 dog owners enrolled in obedience training, it was determined that the mean amount of money spent per owner was $109.33 per class. assuming the population standard deviation of the amount spent per owner is $12, construct and interpret a 95% confidence interval for the mean amount spent per owner for an obedience class.

Step-by-step explanation:

Given : Sample size :

The mean amount of money spent per owner =

Standard deviation :

Significance level :

Critical value :

We know that the confidence interval for population mean is given by :-

Hence, the 95% confidence interval for the mean amount spent per owner for an obedience class will be

45

step-by-step explanation:

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step-by-step explanation: