Business Summary Statistics Test Exam
Questions With 100% Correct Answers
Katie works as a waitress and records her monthly tips in the table shown below. If Katie decided not
to work the month of November, how would her five month average compare to her six month
average for monthly tips?
B - Her monthly average would have increased by $19.57.
What are the mean, median, and mode of the following data set?
C - mean: 9/20, median: 2/5, mode: 3/4
What are the mean and mode of the following data set?
not A - mean: 43.5, mode: 46
Lisa is a leading player on her basketball team. She has kept track of how many points she has scored
over the course of the season. Her scores may be viewed in the table below. What is the median of
Lisa's scores? Round to the nearest point, if necessary.
B - 24
What are the median and mode of the data set?
48 25 34 46 29 27 46
d.
median: 34, mode: 46
Lisa is currently taking physics as one of her electives in school. Her grade at the end of the year is
determined by the average of four exams, each worth 100 points. On her first test she got an 84, on
her second she got a 92, and on her third an 80. What must she score on her fourth exam to get a B
(80%) in the course?
b.
64
.The following chart represents the record high temperatures recorded in Phoenix for April-
November. Select the answer below that best describes the mean and the median of the data set
(round answers to the nearest tenth).
B - The mean is 121°F, and the median is 118.5°F.
Molly records the interest earned in her savings account in the last 5 months. What are the mean,
median, and mode of the data set?
c.
mean: 0.33, median: 0.37, mode: 0.24
Gabe rolls a six sided die twenty times, and records the result in the table below. How many times did
Gabe roll above the average?
d.
6
Sarah is saving for a vacation. She kept track of how much she saved each month over the last six
months in the following table. What did Sarah save per month on average?
Questions With 100% Correct Answers
Katie works as a waitress and records her monthly tips in the table shown below. If Katie decided not
to work the month of November, how would her five month average compare to her six month
average for monthly tips?
B - Her monthly average would have increased by $19.57.
What are the mean, median, and mode of the following data set?
C - mean: 9/20, median: 2/5, mode: 3/4
What are the mean and mode of the following data set?
not A - mean: 43.5, mode: 46
Lisa is a leading player on her basketball team. She has kept track of how many points she has scored
over the course of the season. Her scores may be viewed in the table below. What is the median of
Lisa's scores? Round to the nearest point, if necessary.
B - 24
What are the median and mode of the data set?
48 25 34 46 29 27 46
d.
median: 34, mode: 46
Lisa is currently taking physics as one of her electives in school. Her grade at the end of the year is
determined by the average of four exams, each worth 100 points. On her first test she got an 84, on
her second she got a 92, and on her third an 80. What must she score on her fourth exam to get a B
(80%) in the course?
b.
64
.The following chart represents the record high temperatures recorded in Phoenix for April-
November. Select the answer below that best describes the mean and the median of the data set
(round answers to the nearest tenth).
B - The mean is 121°F, and the median is 118.5°F.
Molly records the interest earned in her savings account in the last 5 months. What are the mean,
median, and mode of the data set?
c.
mean: 0.33, median: 0.37, mode: 0.24
Gabe rolls a six sided die twenty times, and records the result in the table below. How many times did
Gabe roll above the average?
d.
6
Sarah is saving for a vacation. She kept track of how much she saved each month over the last six
months in the following table. What did Sarah save per month on average?
