MATH221 Week 1 Quiz| Questions & Answers
(Complete Solutions 100% Correct)
(CO 1) Which of the following graphs would be considered normally distributed? -
✔✔This is a histogram with 5 bars. The tallest bar is in the middle. The height of the
bars decreases on either side symmetrically with the smallest bars on the far left and far
right.
(CO 1) Which graph would be best to display the dispersion of ages of movie goers at
the latest Marvel Universe picture? - ✔✔Histogram
(CO 1) Which of the following would be the standard deviation for this sample data set:
5, 7, 6, 9, 6, 4, 4, 6, 5, 9, 3? - ✔✔1.94
(CO 1) What would be the mean of this data set: 8, 9, 7, 508, 7, 1, 5, 3, 4? - ✔✔61.3
(CO 1) A pharmaceutical company wants to determine if its new medicine helps heal
bruises more quickly than not treating the bruise. What type of study would be best
suited to make this determination? - ✔✔Experimental
(CO 1) To gather information on customer satisfaction, a researcher goes into several
stores and interviews randomly selected customers. This sampling technique is called: -
✔✔Random
(CO 1) We want to study the relationship between a basketball players height and how
the number of rebounds they get per game. Which of the following graphs would best
for displaying this data? - ✔✔Scatter plot
(Complete Solutions 100% Correct)
(CO 1) Which of the following graphs would be considered normally distributed? -
✔✔This is a histogram with 5 bars. The tallest bar is in the middle. The height of the
bars decreases on either side symmetrically with the smallest bars on the far left and far
right.
(CO 1) Which graph would be best to display the dispersion of ages of movie goers at
the latest Marvel Universe picture? - ✔✔Histogram
(CO 1) Which of the following would be the standard deviation for this sample data set:
5, 7, 6, 9, 6, 4, 4, 6, 5, 9, 3? - ✔✔1.94
(CO 1) What would be the mean of this data set: 8, 9, 7, 508, 7, 1, 5, 3, 4? - ✔✔61.3
(CO 1) A pharmaceutical company wants to determine if its new medicine helps heal
bruises more quickly than not treating the bruise. What type of study would be best
suited to make this determination? - ✔✔Experimental
(CO 1) To gather information on customer satisfaction, a researcher goes into several
stores and interviews randomly selected customers. This sampling technique is called: -
✔✔Random
(CO 1) We want to study the relationship between a basketball players height and how
the number of rebounds they get per game. Which of the following graphs would best
for displaying this data? - ✔✔Scatter plot
