WITH ANSWERS GRADED A+
◉ The sum of the percent frequencies for all classes will always equal
a.the number of items in the study
b.100
c.one
d.the number of classes. Answer: B
◉ Excel's Chart Tools can be used to construct a
a. bar chart
b. pie chart
c. histogram
,d. All of these can be constructed using Excel's Chart Tools.. Answer: D
◉ A tabular summary of a set of data showing the fraction of the total
number of items in several nonoverlapping classes is a
a. relative frequency distribution.
b. frequency distribution.
c. frequency.
d. cumulative frequency distribution.. Answer: A
◉ When using Excel to create a __________ one must edit the chart to
remove the gaps between rectangles.
a. scatter diagram
b. histogram
c. bar chart
,d. pie chart. Answer: B
◉ Excel's __________ function can be used to compute the sample
correlation coefficient.
a.VAR
b.MAX
c.COVAR
d.CORREL. Answer: D
◉ Excel's __________ function can be used to compute the sample
covariance.
a.CORREL
b.MAX
c. COVARIANCE.S
, d.VAR. Answer: C
◉ Excel provides functions for computing the
a.mean
b.median
c.mode
d.Excel provides functions for all of these.. Answer: D
◉ A(n) __________ is an unusually small or unusually large data value.
a. sample statistic
b. median
c. z-score
d. outlier. Answer: D