According to the National Education Assocition (NEA), teachers
generally spend more than 40 hours each week...
According to the National Education Assocition (NEA), teachers
generally spend more than 40 hours each week working on
instructional duties. The following data show the number of hours
worked per week for a sample of 15 high school science teachers and
a sample of 14 high school English teachers
High school science teachers: 54 55 65 31 44 56 51 52 59 50 47
48 49 51 59
High school English teachers: 42 49 56 41 43 44...
Below are the number of wins for the National Basketball
Association (NBA) teams in the 2003-2004...
Below are the number of wins for the National Basketball
Association (NBA) teams in the 2003-2004 season:
45, 43, 42, 33, 33, 54, 47, 44, 42, 30,
59, 46, 36, 18, 13, 6, 49, 44, 27, 26,
62, 50, 37, 34, 34, 59, 58, 51, 45, 18
a)
mean =
d)
range =
e)
variance =
f)
Standard deviation =
A magazine publishes restaurant ratings for various locations
around the world. The magazine rates the restaurants...
A magazine publishes restaurant ratings for various locations
around the world. The magazine rates the restaurants for food,
modifying above with accentcor, service, and the cost per person.
Develop a regression model to predict the cost per person, based
on a variable that represents the sum of the three ratings. The
magazine has compiled the accompanying table of this summated
rating variable and the cost per person for 25 restaurants in a
major city. Complete parts (a) through (e) below....
Please compute the value, upper control limit, and lower
control limit for the x-bar chart, r-bar...
Please compute the value, upper control limit, and lower
control limit for the x-bar chart, r-bar chart, p
chart, and np chart.
Sample #
Observations
Defects
1
44
49
44
44
40
0
2
42
46
51
51
42
2
3
45
45
49
49
46
2
4
40
39
42
42
47
7
5
44
51
53
53
44
2
6
41
44
43
43
46
8
7
40
44
46
46
48
3
8
54
49
48
48...