please answer in text form and in proper format answer with must explanation , calculation for each part and steps clearly A poll asked American adults how much they planned to spend on gifts forChristmas. 120 randomly selected adults responded with a standarddeviation of $82.25. Test the claim that the standard deviation spent onChristmas gifts for all American adults is more than $80. Use a 10%significance level and assume the amount spent on Christmas gifts isnormally distributed.

Question

please answer in text form  and in proper format answer with must explanation , calculation for each part and steps clearly A poll asked American adults how much they planned to spend on gifts forChristmas. 120 randomly selected adults responded with a standarddeviation of $82.25. Test the claim that the standard deviation spent onChristmas gifts for all American adults is more than $80. Use a 10%significance level and assume the amount spent on Christmas gifts isnormally distributed.

Accepted Answer

Step 1: State the hypotheses: Null Hypothesis (H0): The population standard deviation spent on…