PATULONG DII KO NA TALAGA KAYA HUHUHUHU
(hindi multiple choice)
1. A group of PE students wanted to test a claim that student-athletes’ average academic performance is 85 with a standard deviation of 20.50. She gathered 100 student athletes and found out that they have an average of 87.50. What is the appropriate decision at = 0.05?
a. State the hypotheses.
b. Identify the critical value.
d. Compute for the test statistic
c. Identify the rejection region.
e. Make a decision.
2. An ad promises a 15-kilogram weight loss after 2 weeks of taking a diet supplement drink. Fifteen women took part in the experiment and yielded an average weight loss of 16.75 kilograms with a standard deviation of 4.5 kilograms. What is the appropriate decision at = 0.01?
a. State the hypotheses.
b. Identify the critical value.
c. Identify the rejection region.
d. Compute for the test statistic.
e. Make a decision.
3. A group of Senior High School students conducted a research to validate a company’s claim that the average age of women to conceive a child is at least 26.89 years old. After gathering data from 15 women, she found out that they have an average age of conception at 24.34 with a standard deviation of 3.15 years old. What is the appropriate decision at = 0.05?
a. State the hypotheses.
b. Identify the critical value.
c. Identify the rejection region.
d. Compute for the test statistic.
e. Make a decision.
4. The Virtual-Z tutorial center claims that the average grade of their reviewees is 95 with a standard deviation of 2.5 over the past 20 years. This year, the average grade of the reviewees is 92. If there are 300 test- takers, test the tutorial center’s claim. What is the appropriate decision at = 0.01?
a. State the hypotheses.
b. Identify the critical value.
c. Identify the rejection region.
d. Compute for the test statistic.
e. Make a decision​