Mathematics, 23.01.2021 09:20 sharondot8523
17. 29 randomly selected students were asked the number of movies they watched the previous week. The
results are as follows:
# of Movies
Frequency
0 1 2 3 4 5 6
523 7 4 17
Round all your answers to one decimal place.
The mean is: 3.2
The median is:
The sample standard deviation is:
The first quartile is: 2
β
The third quartile is: 5
What percent of the respondents watched at least 1 movies the previous week?
25% of all respondents watched fewer than how many movies the previous week? 2
Answers: 2
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He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
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17. 29 randomly selected students were asked the number of movies they watched the previous week. Th...
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