1. The summary statistics for the number of inches of rainfall in Los Angeles for 117 years, beginning in 1877, are shown below. STDEV SE MEAN 0.624 МEAN MEDIAN TRMEAN 117 14.941 13.070 14.416 6.747 MIN МАХ Q1 Q3 4.850 38.180 9.680 19.250 (a) Describe a procedure that uses these summary statistics to determine whether there are outliers. (b) Are there outliers in these data? Justify your answer based on the procedure that you described in part (a). (c) The news media reported that in a particular year, there were only 10 inches of rainfall. Use the information provided to comment on this reported statement.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 5E
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1. The summary statistics for the number of inches of rainfall in Los Angeles for 117 years, beginning in 1877,
are shown below.
МEAN
MEDIAN
TRMEAN
STDEV
SE MEAN
117
14.941
13.070
14.416
6.747
0.624
MIN
МАX
Q1
9.680
Q3
19.250
4.850
38.180
(a) Describe a procedure that uses these summary statistics to determine whether there are outliers.
(b) Are there outliers in these data?
Justify your answer based on the procedure that you described in part (a).
(c) The news media reported that in a particular year, there were only 10 inches of rainfall. Use the
information provided to comment on this reported statement.
Transcribed Image Text:1. The summary statistics for the number of inches of rainfall in Los Angeles for 117 years, beginning in 1877, are shown below. МEAN MEDIAN TRMEAN STDEV SE MEAN 117 14.941 13.070 14.416 6.747 0.624 MIN МАX Q1 9.680 Q3 19.250 4.850 38.180 (a) Describe a procedure that uses these summary statistics to determine whether there are outliers. (b) Are there outliers in these data? Justify your answer based on the procedure that you described in part (a). (c) The news media reported that in a particular year, there were only 10 inches of rainfall. Use the information provided to comment on this reported statement.
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