In a survey of 10 households, the number of children was found
to be
4, 1,...
In a survey of 10 households, the number of children was found
to be
4, 1, 5, 4, 3, 7, 2, 3, 4, 1
(a) State the mode.
(b) Calculate
(i) The mean number of children per household
(ii) The median number of children per household.
A survey asked the question "What do you think is the ideal
number of children for...
A survey asked the question "What do you think is the ideal
number of children for a family to have?" 411 males and 343
females answered the survey and responded with a numeric response
from 0 to 6. The 411 males who responded had a mean of 3.18, and
standard deviation of 1.6, where the 343 females had a median of
2, a mean of 3.27 and a standard deviation of 1.69. The 95%
confidence interval for the female population...
FarmaSuitica, Inc, a mail-order prescription drug vendor,
measured the number of defects per standard 200 line...
FarmaSuitica, Inc, a mail-order prescription drug vendor,
measured the number of defects per standard 200 line order being
picked in their distribution center. Construct c-chart for data in
the table in the worksheet Prob 07-08 in the ch07 data.xlsx file
and interpret the results.
Number
of Defects
Sample
per order (200
product order)
1
1
2
2
3
1
4
1
5
2
6
4
7
1
8
3
9
1
10
1
11
1
12
2
13
3
14...
A local franchise of a national chain of day-old pastry stores
recorded the number of customers...
A local franchise of a national chain of day-old pastry stores
recorded the number of customers that came in to the store for five
weeks this fall. These data are recorded in the attached file. The
national franchisor states that the percentage of customers is
distributed as follows: Sunday – 20%, Monday – 8%,
Tuesday – 6%, Wednesday – 7%, Thursday – 12%, Friday – 22%, and
Saturday – 25%. The manager doesn’t trust the franchisor and wants
to show...
20 women and 30 men between 18 to 60 years old and the
number of hours...
20 women and 30 men between 18 to 60 years old and the
number of hours that they work. These information would be your
populations. For each group find the followings:
20 Women Ages = 19, 23, 40, 18, 60, 50, 21, 30, 33, 28,
33, 35, 28, 24, 28, 18, 19, 22, 25, 50
20 women work hours weekly = 40, 24, 30, 31, 19, 10, 21,
5, 40, 9, 8, 40, 37, 12, 20, 40, 20, 10, 40,...