Write a brief description of the schools mail deliveries

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Reference no: EM131394478

Here are the number of pieces of mail received at a school office for 36 days.

123	70	90
80	78	72
52	103	138
112	92	93
118	118	106
95	131	59
151	115	97
100	128	130
66	135	76
143	100	88
110	75	60
115	105	85

a) Plot these data.

b) Find appropriate summary statistics.

c) Write a brief description of the school's mail deliveries.

d) What percent of the days actually lie within one standard deviation of the mean? Comment.

Reference no: EM131394478

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