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5 Cards in this Set
- Front
- Back
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The speed limit on a road is 80 miles per hour. The following data was recorded: Daytime car speeds (mph): 80, 75, 64, 82, 78, 80, 76 Nighttime car speeds (mph): 70, 73, 78, 80, 75, 85, 69 During which time of the day are drivers driving faster, on average?
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Drivers are driving faster during the daytime.
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The speed limit on a road is 80 miles per hour. The following data was recorded: Daytime car speeds (mph): 80, 75, 64, 82, 78, 80, 76 Nighttime car speeds (mph): 70, 73, 78, 80, 75, 85, 69 Is there a greater variability of speeds during the daytime or nighttime?
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Create a dot plot for each set of data. Height of players on the basketball team (inches): 68, 72, 71, 76, 75, 76, 71, 74, 74, 74, 72, 70 Height of players on the soccer team (inches): 68, 68, 66, 64, 70, 72, 72, 74, 69, 68, 70, 65 What relationship can you see between the two data sets?
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The median & mean height for the basketball team is larger than the soccer team's, the basketball team has a smaller spread of data (variance) than the soccer team.
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25 random words were selected from a 4th grade textbook and a 7th grade textbook in the same subject.The word length was measured in letters, and the data is shown in the table. Are the words in the 4th grade textbook generally longer or shorter than those in the 7th grade textbook? Support your answer with a mathematical figure.
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The words in the 4th grade textbook are generally shorter than those in the 7th grade textbook. The average word length for the 4th grade textbook is 4.52 letters, while the average word length for the 7th grade textbook is 5.76 letters.
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Henry has a stationary shop in school. He surveyed and collected random samples of 100 students regarding their pen preference. Based on the given data, what are two inferences you can make?
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Most students prefer metal pens, more people prefer metal pens than crystal pens or plastic pens, plastic pens are least preferred (any valid inference drawn from data is acceptable- there are many possible responses)
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