215 PASW _1,Fall 2009 - PASW Homework #1 (55 points) STA...

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PASW Homework #1 (55 points) STA 215: Introductory Applied Statistics Dr. Jann-Huei Jinn 1. A computer-anxiety questionnaire was given to 200 students in a course in which computers are used. One of the questions was "I enjoying using computers." The responses to this particular question were Response Number Strongly agree 50 Agree 75 Slightly agree 25 Slightly disagree 15 Disagree 15 Strongly disagree 20 a. What is the variable in this data set? (2 points) b. Construct a pie chart with percents and counts for each response. (5 points) c. Construct a bar chart that shows these responses. (4 points) 2. Below is a data set consisting of birth weights (in ounces) for a random sample of infants born at a certain hospital during one year. BIRTHWEIGHTS: 58 118 92 108 132 120 86 115 118 95 123 134 94 67 124 104 132 95 146 132 121 68 107 122 126 111 121 124 104 125 91 122 138 99 115 104 115 138 105 144 128 106 125 108 98 133 115 127 135 89 32 140 138 96 161 83 112 128 127 124 155 105 100 112 141
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215 PASW _1,Fall 2009 - PASW Homework #1 (55 points) STA...

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