Any subset of a population,” defines which?

Question 1 “Any subset of a population,” defines which?

  An inferential statistic

  A sample

  A parameter

  A distribution

Question 2A normal distribution is mesokurtic.

  True

  False

Question 3Which measure of central tendency gives the “middle score” or “mid-point?”

  mean

  median

  mode

  all of the above

Question 4In a graph, the “point of origin” marks which?

  The point where any graphed line begins

  The point at which x = 0 and y = 0

  The point marking the maximum value in a graph

  The point marking the minimum value in a graph

Question 5How many scores are being summarized in this row of stem-and-leaf display: 6|1349?

  4

  5.

  1,349

  61,349

Question 6 “Data scale” refers to which of the following?

  The level of analysis involved in a statistics problem

  The degree to which the analyst relies on parameters

  The kind of information that data values provide

  The degree to which data values can be calculated

Question 7In statistical notation, Greek letters refer to which of the following?

  Concepts that are important to the procedure

  Statistics that must be calculated

  Procedures or values used repeatedly

  Procedures for which the value is unknown

Question 8The bell curve is actually which of the following?

  An ungrouped frequency distribution

  A special bar graph

  A frequency polygon

  An abscissa

Question 9The bell-shaped curve is also a frequency polygon.

  True

  False

Question 10 We have the following values in a stem-and-leaf display: 2, 10, 14, 16, 17, 22, 23, 29. How many stems will there be?

  15

  8

  3

  1

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