It is a proposed explanation, assertion, or assumption about a population parameter or about the distribution of a random variable.

• Statistical Hypothesis

• Hypothesis Testing

It is a statistical method in making decisions using experimental data.

• Statistical Hypothesis

• Hypothesis Testing

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.5

We want to test whether the mean height of Grade 11 students is 78 inches. State the alternative hypothesis.

• Ha: μ=78

• Ha: μ≠78

Tags

CCSS.HSS.IC.A.1

We want to test if LSPU students take more than four years to graduate from high school. State the alternative hypothesis.

• Ha: μ>4

• Ha: μ<78

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

CCSS.HSS.IC.B.5

The mean height of Grade 11 students is less than 66 inches. Determine if one tailed test or two-tailed test.

• One tailed test

• Two-tailed test

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

The mean weight of Grade 11 students is 40 kg. Determine if one tailed test or two-tailed test.

• One tailed test

• Two-tailed test

Tags

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

CCSS.HSS.ID.A.4

Male Grade 7 and Grade 12 students differ in height on average. Determine if one tailed test or two-tailed test.

• One tailed test

• Two-tailed test

Tags

CCSS.HSS.ID.A.2

CCSS.HSS.ID.A.3

Determine if the t-value lies in the non-rejection region or rejection region.

Critical t-value of 1.318

Computed t-value of 1.1

• At the non-rejection/acceptance region

• At the rejection region

Determine if the t-value lies in the non-rejection region or rejection region.

Critical t-value of -1.67

Computed t-value of -2.45

• At the non-rejection/acceptance region

• At the rejection region

Rejecting the null hypothesis when it is true results to what type of error?

• Type I error

• Type II error