Use the given information to answer parts (a) through (d). H 0 : μ1=μ2, alpha 0.05...

Question

Question

Use the given information to answer parts (a) through (d).

H 0 : μ1=μ2, alpha 0.05

Sample statistics:

x1= 34.4, s1=3.5, n1=13

x2=36.2, s2=2.8, n2=11

Assume σ2/1= σ2/2

t0= -2.074, t0=2.074

test statistic =−1.8

(b) Find the standardized test statistic?

(c) Decide whether the standardized test statistic is in the rejection region

math Statistics-And-Probability

Answer 1

Answer #1

a)Standardized Test statistic= t= -2.3157

b) we reject null hypothesis

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Answer 2

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Use the given information to answer parts​ (a) through​ (d). H 0 : μ1=μ2​, alpha 0.05...