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The value of X = 9 in the distribution below is the _____.

For the following frequency distribution of quiz scores, how many individuals took the quiz? X         f 5          6 4          5 3          5 2          3 1          2

For the scores shown in the following stem and leaf display, what is the highest score in the distribution?        Stem and Leaf Display               4               159               3               098               2               89103               1               39 ​

A bar graph is constructed so that adjacent bars touch.

If a sample has an even number of scores, at least one individual will have a score exactly equal to the median.

Consider the following scores pertaining to a data set: 22, 31, 43, 19. To complete a stem and leaf display, stems of 2, 1, 3, and 9 should be created.

To determine the size of a difference between two individuals on a measured variable, a researcher must use either an interval or a ratio scale of measurement.

In a grouped frequency distribution table, scores range from X = 15 to X = 52 with class interval widths of 5. The bottom class interval should be 15-19..

A set of scores ranges from X = 13 to X = 73. If the scores were put in a grouped frequency distribution table with an interval width of 10 points, the top interval would be 73-82.

“The results of my experiment support the hypothesis that fertilizer affects plant growth.” This statement is  [a] When a new drug is being tested, some of the patients are given a “sugar pill” that doesn’t contain the drug. The sugar pill is also known as the _________. [b]