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Essentials of Statistics for the Behavioral Sciences
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Chapter 15 / Exercise 14
Essentials of Statistics for the Behavioral Sciences
Gravetter/Wallnau
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3.57.511.515024681012141618Chart TitleSeries 1Series 2MidpointsFrequency
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Essentials of Statistics for the Behavioral Sciences
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Chapter 15 / Exercise 14
Essentials of Statistics for the Behavioral Sciences
Gravetter/Wallnau
Expert Verified
6.Create a scatterplot of car weights and braking distance using the data below. Based on the result, does there appear to be a relationship between weight of a car and its braking distance?
7.The weekly salaries for teachers of the different grades at my school are as follows:KindergartenFirstSecondThirdFourthFifth7746491210546431612Calculate the standard deviation. Do the different grades have much variation in salary?
8.A simple random sample of pages of my dictionary was collected. These are the number of words defined on each page. Find the mean, median, mode, and midrange.51 63 36 43 34 62 73 39 Mean: Median:Mode:Midrange:There are 1459 pages. Estimate the total number of words in the dictionary. Is the estimate likely to be an accurate estimate of the total number of words in the English language?9.I had 10 students last term who earned the following grades:53 79
98 85 89 73 76 85 87 92 Find the first quartile: ________________Find the median:________________Find the third quartile:________________Find the interquartile:_________________85 56

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