A local ice cream shop kept track of the number of cans of cold soda it sold each day, and the temperature that day, for two months during the summer. The data are displayed in the scatterplot below: 195 190 185 180 175 170 165 65 75 85 95 Temperature in degrees Fahrenheit (F) The one outlier corresponds to a day on which the refrigerator for the soda was broken. Which of the following is true? (a) A reasonable value of the correlation coefficient r for these data is 1.2. (b) If the temperature were measured in degrees Celsius (C = 5/9*(F-32)), the value ofr would change accordingly. (c) If the outlier were removed, r would increase. (d) If the outlier were removed, r would decrease. (e) Both (b) and (c) are correct. Number of Cans Sold

A local ice cream shop kept track of the number of cans of cold soda it sold each day, and the temperature that day, for two months during the summer. The data are displayed in the scatterplot below: 195 190 185 180 175 170 165 65 75 85 95 Temperature in degrees Fahrenheit (F) The one outlier corresponds to a day on which the refrigerator for the soda was broken. Which of the following is true? (a) A reasonable value of the correlation coefficient r for these data is 1.2. (b) If the temperature were measured in degrees Celsius (C = 5/9*(F-32)), the value ofr would change accordingly. (c) If the outlier were removed, r would increase. (d) If the outlier were removed, r would decrease. (e) Both (b) and (c) are correct. Number of Cans Sold

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Description: A local ice cream shop kept track of the number ofcans of cold soda it sold each day, and thetemperature that day, for two months during thesummer. The data are displayed in the scatterplotbelow:19519018518017517016565758595Temperature in degrees Fa

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

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Concept explainers

Types of Bias

Statistics is the study of data collection, organization, analysis, interpretation, and presentation. Statistical bias is a characteristic of a statistical technique or its findings in which the expected value deviates from the actual root quantitative parameter being estimated. According to the actual definition of bias, it refers to the tendency of a statistic to overestimate or underestimate a parameter.

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Question

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A local ice cream shop kept track of the number of
cans of cold soda it sold each day, and the
temperature that day, for two months during the
summer. The data are displayed in the scatterplot
below:
195
190
185
180
175
170
165
65
75
85
95
Temperature in degrees Fahrenheit (F)
The one outlier corresponds to a day on which the
refrigerator for the soda was broken. Which of the
following is true?
(a) A reasonable value of the correlation
coefficient r for these data is 1.2.
(b) If the temperature were measured in
degrees Celsius (C = 5/9*(F-32)), the value ofr
would change accordingly.
(c) If the outlier were removed, r would increase.
(d) If the outlier were removed, r would
decrease.
(e) Both (b) and (c) are correct.
Number of Cans Sold

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