Do the same as problem 1 for the data in given Example.
Problem 1
Find the mean, median, and mode(s) of the observations in problem 2.
Problem 2
The following data are numbers of passengers on flights of Delta Air Lines between San Francisco and Seattle over 33 days in April and early May.
128, 121, 134, 136, 136, 118, 123, 109, 120, 116, 125, 128, 121, 129, 130, 131, 127, 119, 114, 134, 110, 136, 134, 125, 128, 123, 128, 133, 132, 136, 134, 129, 132
Find the lower, middle, and upper quartiles of this data set. Also find the 10th, 15th, and 65th percentiles. What is the interquartile range?
Example
Realtors who help sell condominiums in the Boston area provide prospective buyers with the information given in Table 1-1. Which of the variables in the table are quantitative and which are qualitative?
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TABLE : Boston Condominium Data
|
|
Asking Price
|
Number of
Bedrooms
|
Number of
Bathrooms
|
Direction Facing
|
Washer/Dryer?
|
Doorman?
|
|
$709,000
|
2
|
1
|
E
|
Y
|
Y
|
|
812,500
|
2
|
2
|
N
|
N
|
Y
|
|
980,000
|
3
|
3
|
N
|
Y
|
Y
|
|
830,000
|
1
|
2
|
W
|
N
|
N
|
|
850,900
|
2
|
2
|
W
|
Y
|
N
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