Arranging data into a table is called 18 a two tailed

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17. Arranging data into a table is called _______. 18. A two-tailed t-test is appropriate when the researcher has a directional hypothesis implying that an observed mean can only be greater than or less than a hypothesized value. False True 19. Degrees of freedom are determined by the number of distinct calculations that are possible given a set of information. True False 20. Tabulation refers to the orderly arrangement of data in a table or other summary format. True False
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