I need help with stats/2023, please help with TI-84 commands section 8.1 and 8.2 Test the claim about the difference between two population means μ1 and μ2 at the level of significance α. Assume the...


I need help with stats/2023, please help with TI-84 commands


section 8.1 and 8.2




Test the claim about the difference between two population means
μ1

and
μ2

at the level of significance
α.

Assume the samples are random and​ independent, and the populations are normally distributed.


​Claim:
μ1=μ2​;

α=0.10.

Assume
σ21=σ22















Sample​ statistics:



x1=35.6​,

s1=3.4​,

n1=11

and





x2=38.5​,

s2=2.3​,

n2=17








Identify the null and alternative hypothesis and state the claim:

H0:  mean1

Ha:      mean1


find the standardized test statistic t

t=____________ (round to two decimal places as needed)

find the P value

P=_____________

(round to 3 decimal places as needed)


Decide whether to reject or fail to reject the null hypothesis and intrepret the decision in the context of the claim.

(1)____________ (reject or fail to reject) H0.  There (2)___________ (is or is not) enough evidence at the 10% level of significance to reject the claim.





Jun 10, 2022
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