Construct a scatter diagram of the data points

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A quality analyst measures the number of hours a patient in a low-risk condition waits for care at the emergency room of a small hospital. The following data are obtained for 20 patients.

2.26 2.01 3.0 1.22 1.92 1.79 0.78 1.89 0.71 1.58
2.02 2.77 2.87 0.51 0.74 1.95 2.76 2.61 3.54 2.95

a. compute the sample mean, sample median, and range of data.
b. compute the sample standard deviation and sample variance.

Question 3
Since careful records have begun being kept in January, Eric’s small business
has delivered the following quantities of flowers throughout town.

January
February
March
April
May
June
July
August
Small
Bouquets
85
34
26
24
43
29
30
19
LargeI.
Bouquets
23
64
27
18
33
23
20
13
Assuming the data is normally distributed, construct two separate 90% confidence intervals, one for the number of deliveries of small bouquets in September and one for the number of large bouquets in
September.
Question 4
Consider the following data values of variables x and y
x: 5 4 3 6 9 8 10
y: 7 8 10 5 2 3 1
Construct a scatter diagram of the data points and plot the least squares regression line on it. Find the least squares regression line.

Reference no: EM13666235

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