Hypothesis Testing part 1

What is the SYMBOL for the NULL HYPOTHESIS?

• None of these

What is the SYMBOL for the LEVEL OF SIGNIFICANCE?

• None of these

Which of these is a ONE-TAILED TEST?

• None of these

Which of these is a TWO-TAILED TEST?

• None of these

What is the SYMBOL for the ALTERNATIVE HYPOTHESIS?

• None of these

Tags

CCSS.7.SP.C.6

What is the SYMBOL for the LEVEL OF SIGNIFICANCE?

• None of these

Which of these is a ONE-TAILED TEST?

• None of these

A random sample of 60 Grade 9 students were subjected to a new teaching strategy. The sampled students made an average of 84 in a quiz. Can it be concluded that the score of the respondents is different from the score of the primary study which is 82 with a deviation of 8?

Identify the null hypothesis.

A random sample of 60 Grade 9 students were subjected to a new teaching strategy. The sampled students made an average of 84 in a quiz. Can it be concluded that the score of the respondents is different from the score of the primary study which is 82 with a deviation of 8?

Identify the alternative hypothesis.

It is claimed that the average monthly income of chemical engineers last year was 27,900php. A random sample of 35 chemical engineers is selected and it is found out that the average monthly salary is 28,000. Using 0.01 level of significance, can it be concluded that there is an increase in the average monthly income of chemical engineers? Assume that the population standard deviation is 250.50.

Identify the null hypothesis.