Exam 2: Data Representation

Of 100 research participants, 10 are in group A, 22 in group B, 30 in group C, and 38 in group D. What is the relative frequency for participants in group D?

A sample distribution of variable X is as follows: X f 75 8 78 5 79 7 81 3 83 6 85 5 86 10 88 5 90 3 Calculate or draw each of the following for the sample distribution of X. Where possible, use SPSS to generate the data. a. Frequency distribution b. Cumulative relative frequency distribution c. Histogram (ungrouped) d. Frequency polygon e. Q₁ f. Q₂ g. Q₃ h. P₁₀ and P₉₀ i. Box-and-whisker plot

In examining data collected over the past ten years, researchers at Sea World find that of 1,000 first-time guests: 452 visited during the summer months; 231 visited during the fall; 104 visited during the winter; and 213 visited during the spring. What is the relative frequency for guests who visited during the spring?

A sample distribution of variable X is as follows: X f 2 2 5 5 6 8 8 3 10 4 12 6 15 1 18 5 20 7 Calculate or draw each of the following for the sample distribution of X. Where possible, Use SPSS to generate the data. a. Frequency distribution b. Cumulative relative frequency distribution c. Histogram (ungrouped) d. Frequency polygon e. Q₁ f. Q₂ g. Q₃ h. P₁₀ and P₉₀ i. Box-and-whisker plot

A sample distribution of variable X is as follows: X f 15 5 20 3 24 1 28 4 32 2 34 7 36 3 38 8 40 4 Calculate or draw each of the following for the sample distribution of X. Where possible, use SPSS to generate the data. a. Frequency distribution b. Cumulative relative frequency distribution c. Histogram (ungrouped) d. Frequency polygon e. Q₁ f. Q₂ g. Q₃ h. P₁₀ and P₉₀ i. Box-and-whisker plot

Among the following, what is the preferred method for graphing data pertaining to favorite types of dance of a sample?

A sample distribution of variable X is as follows: X f 100 4 110 8 115 2 120 6 125 10 130 5 135 7 140 3 145 1 Calculate or draw each of the following for the sample distribution of X. Where possible, use SPSS to generate the data. a. Frequency distribution b. Cumulative relative frequency distribution c. histogram (ungrouped) d. Frequency polygon e. Q1 f. Q2 g. Q3 h. P10 and P90 i. Box-and-whisker plot