a.)The null hypothesis is: . b.)The alternative hypothesis is: c.)The test statistic is:
1)TikTok users spend an average of 55 minutes per day using the app. A researcher believes the time spend is less among teenager users. A random sample of 61 TikTok teenager users resulted in a sample mean daily use of 50 minutes, and a sample standard deviation of 12.5 minutes. Is there enough evidence to support the researcher’s claim? Use a level of significance of 5%. PLEASE SHOW ALL WORK FOR ALLL PARTS AND EXPLAIN THE ANSWER SO I CAN UNDERSTAND BETTER THANK YOU!
a.)The null hypothesis is: .
b.)The alternative hypothesis is:
c.)The test statistic is:
d.)The critical value is:
e.)Can you reject the null hypothesis? Yes or No.
f.)State your conclusion in the context of the problem:
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d.)The critical value is:
e.)Can you reject the null hypothesis? Yes or No.
f.)State your conclusion in the context of the problem:
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