University:
High School
Course:
High School Algebra
Academic year:

2019
Views:

26

Pages:

2
Author:

hInidekv

1. 1, 8, 7, 3, 6, 7, 5, 10, 5, 4 Mean: 5.6 Median: 5.5 Mode: 5, 7 2. 12, 20, 13, 10, 12, 12, 14, 15, 18, 19 Mean: Median: 13.5 Mode: 12 Range: 10 Use the box-and-whisker plot to find the given measure. [Box-and-whisker plot not provided in this text format] Least value: 4 First quartile: 8 Median: 14 Range: 14 Greatest value: 18 Third quartile: 16 Make a box-and-whisker plot that represents the data. 30, 36, 40, 28, 32, 48, 42 [Box-and-whisker plot not provided in this text format] 10, 9, 7, 8, 4, 7, 1, 2, 8, 1, 12, 3, 7, 7, 8, 9, 9, 10 [Box-and-whisker plot not provided in this text format] The table shows the test scores for eight honors geometry students on an exam. | Test Scores | |---|---| | 45 | 78 | 83 | 85 | | 84 | 90 | 80 | 86 | a. Identify the outlier. How does the outlier affect the mean, median, and mode? 45 is the outlier. Outlier brings mean down Median & Mode unaffected b. Describe one potential explanation for the outlier. Didn't Study? Find the range and standard deviation for each data set. Then compare your results. Highest test scores by class Period 2: 92, 95, 87, 90, 92, 93, 88 Period 4: 100, 88, 83, 89, 92, 91, 85 Period 2 is more consistent Height of 18-year old adults (in.) Male: 70, 67, 72, 65, 69, 71, 68 Female: 64, 62, 65, 63, 67, 61, 60 Male is more consistent Tell whether the data are qualitative or quantitative. brands of athletic clothing - Qualitative nations competing in the Olympics - Qualitative monthly snowfall in inches - Quantitative average temperatures in a city - Quantitative Answers 2, 4, 7, 0, 2, 3, x. The mean is 3. 3 17, 15, 16, 18, x. The mean is 17. 18 The double box-and-whisker plot represents the quiz scores of two students over the course of the year in their algebra class. a. Identify the shape of each distribution. * Student 1: Skewed Left * Student 2: Lower Range b. Which student was more consistent on his or her quiz scores? Explain. * Student 2. Lower Range c. Which student has the single best quiz score? * Student 1. Higher max The table shows the weight of several sumo wrestlers in kilograms. Wrestler's Weight (kg) 175 150 134 143 127 159 151 203 143 135 135 150 132 169 129 135 139 153 a. Display the data in a histogram using five intervals beginning with 127-142. * [Histogram not provided in the image] b. Which measure of center best represents the data? Explain. * See left. You conduct a survey that asks 350 students in your class about whether they plan to go to prom this year. One hundred seventy-one males respond, 100 of which said yes they plan to go. Ninety females said they are not planning to attend. a. Organize the results in the two-way table provided. | | Male | Female | Total | |---|---|---|---| | Yes | 100 | 89 | 189 | | No | 71 | 90 | 161 | | Total | 171 | 179 | 350 | b. If no student changes his or her mind between now and the prom, what percent of the prom attendees will be female? 89 / 189 = **47%**