Question

1- When conducting a hypothesis test, one may select to use α = 0.05. Explain what this means,

2- Provide an example to support your answer. Make sure you indicate the null hypothesis and the alternative hypothesis for your example.

Ho:

Ha:

Answer 1

Solution :

1)

= 0.05

We test the p-value is less than or greater than the .

The test is rejected or accepted to decide using .

2)

Two tailed test .

The null and alternative hypothesis is ,

H₀ :   = 6

H_a :    6

Left tailed test

The null and alternative hypothesis is ,

H₀ :   = 6

H_a : < 6

Right tailed test

The null and alternative hypothesis is ,

H₀ :   = 6

H_a : > 6