Test the Claim That $\sigma ^ { 2 } \geq 1.8 \text { if } n = 15 , s ^ { 2 } = 1.5 \text {, and } \alpha = 0.05$

question 76

Essay

Test the claim that $\sigma ^ { 2 } \geq 1.8 \text { if } n = 15 , s ^ { 2 } = 1.5 \text {, and } \alpha = 0.05$ Assume that the population is normally distributed.

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