MAT 101 FINAL EXAM ACTUAL QUESTIONS
AND CORRECT ANSWERS
◉ *Frequency Distribution Table (Check with instructor).
Answer: Create a frequency distribution of the following data: 10,
15, 12, 11, 10, 16, 13, 11, 11, 15, 18, 18, 18, 11, 12, 13, 16, 15, 12, 1
◉ Median: 500
Mean: 578.6.
Answer: Calculate the median and mean of the following data: 444,
500, 675, 953, 321
◉ .5.
Answer: A student scores 70 on a science test. The score for the test
is normally distributed. The test has a mean of 60 and a standard
deviation of 20. Calculate the z-score for the science test.
◉ 4.90.
Answer: Calculate the standard deviation of the following data
(round to the nearest hundredth): 4, 8, 6, 10, 16, 14, 12, 18
◉ Representative Sample.
, Answer: A ____ is a sample that exhibit characteristics typical of
those possessed by the target population.
◉ 68%.
Answer: Approximately ____% of the data items fall within 1
standard deviation of the mean
◉ 98.
Answer: The scores on a test are normally distributed with a mean
of 83 and a standard deviation of 5. Find the score that is 3 standard
deviations above the mean.
◉ 56.
Answer: Male adult heights in North America are normally
distributed with a mean of 64 inches and a standard deviation of 4
inches. Find the height that is 2 standard deviations below the mean.
◉ -3.
Answer: A set of data items is normally distributed with a mean of
50 and a standard deviation of 5. Convert the following data item to
a z-score: 35
◉ 83.3%.
Answer: What is 5/6 as a percent rounded to the nearest tenth?
AND CORRECT ANSWERS
◉ *Frequency Distribution Table (Check with instructor).
Answer: Create a frequency distribution of the following data: 10,
15, 12, 11, 10, 16, 13, 11, 11, 15, 18, 18, 18, 11, 12, 13, 16, 15, 12, 1
◉ Median: 500
Mean: 578.6.
Answer: Calculate the median and mean of the following data: 444,
500, 675, 953, 321
◉ .5.
Answer: A student scores 70 on a science test. The score for the test
is normally distributed. The test has a mean of 60 and a standard
deviation of 20. Calculate the z-score for the science test.
◉ 4.90.
Answer: Calculate the standard deviation of the following data
(round to the nearest hundredth): 4, 8, 6, 10, 16, 14, 12, 18
◉ Representative Sample.
, Answer: A ____ is a sample that exhibit characteristics typical of
those possessed by the target population.
◉ 68%.
Answer: Approximately ____% of the data items fall within 1
standard deviation of the mean
◉ 98.
Answer: The scores on a test are normally distributed with a mean
of 83 and a standard deviation of 5. Find the score that is 3 standard
deviations above the mean.
◉ 56.
Answer: Male adult heights in North America are normally
distributed with a mean of 64 inches and a standard deviation of 4
inches. Find the height that is 2 standard deviations below the mean.
◉ -3.
Answer: A set of data items is normally distributed with a mean of
50 and a standard deviation of 5. Convert the following data item to
a z-score: 35
◉ 83.3%.
Answer: What is 5/6 as a percent rounded to the nearest tenth?