Our class recorded the temperature at noon each day for 48 school days in autumn. The lowest temperature (in "F) was 70, and the highest was 79. The table gives the mean, median, range. and interquartile range (IQR) of the data set. Summary values Range IQR 6. 3 Mean Median 74.5 74.5 (a) Select the best description of spread for the data set. (b) Select the best description of center for the data set. OLooking at the mean and median, we see that a OThe difference between the largest and smallest temperature (in F) is 74.5, (This is the mean.) typical day had a temperature of about 74 or 75 "F. OLooking at the IQR, we see that a "typical" day had a temperature of about 3 "F. OThe difference between the largest and smallest temperature (in "F) is 9. (This is the range.) OThe difference between the largest and smallest temperature (in "F) is 48. (This is the number of days the temperature was recorded.) O Looking at the range, we see that a "typlcal day had a temperature of about 9 F.

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question a, b and c

Our class recorded the temperature at noon each day for 48 school days in autumn. The lowest
temperature (in "F) was 70, and the highest was 79. The table gives the mean, median, range,
and interquartile range (IQR) of the data set.
Summary values
Mean
Median
Range IQR
74.5
74.5
9.
3
(a) Select the best description of spread for the data set.
(b) Select the best description of center for the data set.
OLooking at the mean and median, we see that a
typical day had a temperature of about 74 or 75 "F.
OThe difference between the largest and smallest
temperature (in F) is 74.5. (This is the mean.)
OThe difference between the largest and smallest
OLooking at the IQR, we see that a "typical" day had a
temperature (in "F) is 9. (This is the range.)
temperature of about 3 "F.
O The difference between the largest and smallest
temperature (in °F) is 48. (This is the number of days the
temperature was recorded.)
O Looking at the range, we see that a "typical" day had a
temperature of about 9 F.
Transcribed Image Text:Our class recorded the temperature at noon each day for 48 school days in autumn. The lowest temperature (in "F) was 70, and the highest was 79. The table gives the mean, median, range, and interquartile range (IQR) of the data set. Summary values Mean Median Range IQR 74.5 74.5 9. 3 (a) Select the best description of spread for the data set. (b) Select the best description of center for the data set. OLooking at the mean and median, we see that a typical day had a temperature of about 74 or 75 "F. OThe difference between the largest and smallest temperature (in F) is 74.5. (This is the mean.) OThe difference between the largest and smallest OLooking at the IQR, we see that a "typical" day had a temperature (in "F) is 9. (This is the range.) temperature of about 3 "F. O The difference between the largest and smallest temperature (in °F) is 48. (This is the number of days the temperature was recorded.) O Looking at the range, we see that a "typical" day had a temperature of about 9 F.
(c) Select the graph with the shape that best fits the summary values.
O Graph 1 (The data set is symmetric.)
O Graph 2 (The data set is not symmetric.)
70 71 72 73 74 75 76 77 78 79
Temperature (°F)
70 71
72
73 74
75 76
77
Temperature (°F)
Number of days
Number of days
Transcribed Image Text:(c) Select the graph with the shape that best fits the summary values. O Graph 1 (The data set is symmetric.) O Graph 2 (The data set is not symmetric.) 70 71 72 73 74 75 76 77 78 79 Temperature (°F) 70 71 72 73 74 75 76 77 Temperature (°F) Number of days Number of days
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