Can you please help me solve this using a TI-83 Plus Calculator? I am having tro

Question

Can you please help me solve this using a TI-83 Plus Calculator? I am having trouble finding the Critical Value and P-Value.

Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about the null hypothesis, and final conclusion that addresses the original claim 38) Various temperature measurements are recorded at different times for a particular city, The mean of 20°C is obtained for 60 temperatures on 60 different days. Assuming that = 1.5°C, test the claim that the population mean is 22°C Use a 0.05 significance level. 38) Ho H1: Test statistic:- P-value- the null hypothesis There sufficient evidence to warrant rejection of the clai

Explanation / Answer

sigma is known, z-test will be used

N    Mean SE Mean       95% CI            Z      P
60 20.000    0.194 (19.620, 20.380) -10.33 0.000

p-value < 0.05

we reject the null

critical value = 1.96

visit this link below

http://cfcc.edu/faculty/cmoore/TI83ZTest.htm

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