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Krista was looking at the Daily Mean Pressure for Leeming from May to October 1987. She used systematic sampling to select 14 values from the large data set. Here are the values she obtained: 1033 1011 1012 1018 1004 1016 1026 1014 1006 1014 1008 1006 986 1009 1012 1016 (b) A value in a data set can be regarded as an outlier if it is more than 1.5 times the interquartile range below Q1 or more than 1.5 times the interquartile range above Q3. Show that there are two outliers in the data.

Krista was looking at the Daily Mean Pressure for Leeming from May to October 1987. She used systematic sampling to select 14 values from the large data set. Here are the values she obtained: 1033 1011 1012 1018 1004 1016 1026 1014 1006 1014 1008 1006 986 1009 1012 1016 (b) A value in a data set can be regarded as an outlier if it is more than 1.5 times the interquartile range below Q1 or more than 1.5 times the interquartile range above Q3. Show that there are two outliers in the data.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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Please answer both parts b and c

Krista was looking at the Daily Mean Pressure for Leeming from May to October 1987. She used systematic sampling to select 14 values from the large data set. Here are the values she obtained: 1033 1011 1012 1018 1014 1014 1004 1016 1026 1006 1012 1008 1006 986 1009 1016 (b) A value in a data set can be regarded as an outlier if it is more than 1.5 times the interquartile range below Q1 or more than 1.5 times the interquartile range above Q3. Show that there are two outliers in the data. Krista then summarised all the data in the table below and drew a histogram. Number of days Daily Mean Pressure (hPa) 980 to 999 1000 to 1009 1010 to 1014 1015 to 1019 1020 to 1033 15 39 36 45 49 On Krista's histogram, the bar for 980 to 999 was 4 cm wide and 1.5 cm high. (c) Calculate the width and height of the bar for 1020 to 1033.
Transcribed Image Text:Krista was looking at the Daily Mean Pressure for Leeming from May to October 1987. She used systematic sampling to select 14 values from the large data set. Here are the values she obtained: 1033 1011 1012 1018 1014 1014 1004 1016 1026 1006 1012 1008 1006 986 1009 1016 (b) A value in a data set can be regarded as an outlier if it is more than 1.5 times the interquartile range below Q1 or more than 1.5 times the interquartile range above Q3. Show that there are two outliers in the data. Krista then summarised all the data in the table below and drew a histogram. Number of days Daily Mean Pressure (hPa) 980 to 999 1000 to 1009 1010 to 1014 1015 to 1019 1020 to 1033 15 39 36 45 49 On Krista's histogram, the bar for 980 to 999 was 4 cm wide and 1.5 cm high. (c) Calculate the width and height of the bar for 1020 to 1033.
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