Stat-512: Quiz #01
Name:
1. (a) Data in the table represent length measurements of a rod, in cm. Calculate the following statistics for the
data (verify data entry using the sample st. dev.!):
9.22
9.47
9.96
10.52
10.80
9.53
n=
xn =
10.69
9.50
9.96
10.66
Name:
Key
9
8
8
7
6
6
Frequency
Stat-512: Quiz #02
1. The histogram below contains resistance
measurements for a random sample of
resistors taken from a much larger
population. The histogram was generated in
Minitab using cutpoint binning. Recall
that Min
Stat-512: Quiz #03
Name:
Key
1. The EPA rates the new Ford Escape Hybrid at 34 mpg on the
highway. Suppose the first 6 tanks of gas used on the highway
produced the following mileages:
(a) Perform a hypothesis test of whether the EPAs mileage rating is an
Stat-512: ICE #03 Hypothesis Testing
Name:
Key
1. Use the example of manufacturing a rod with spec limits of 5.00.1 cm. The data values listed below
represent measurements for a sample from the production line, listed in centimeters:
5.062
5.035
5.088
5.0
Stat-512: ICE #03
Name:
1. Use the example of manufacturing a rod with spec limits of 5.00.1 cm. The data values listed below
represent measurements for a sample from the production line, listed in centimeters:
5.062
5.035
5.088
5.048
4.964
5.038
5.012
5.
Stat-512: ICE #02
Name: _
1. The histogram below is based on measurements of the number of scratches on a camera lens determined by
visual inspection. Recall that Minitab cutpoint binning puts data values that fall on bin boundaries into the
bin on the ri
Name:
9
8
8
7
6
6
Frequency
Stat-512: Quiz #02
1. The histogram below contains resistance
measurements for a random sample of
resistors taken from a much larger
population. The histogram was generated in
Minitab using cutpoint binning. Recall
that Minitab
Stat-312: Quiz #01
Name:
Key
1. (a) Data in the table represent length measurements of a rod, in cm. Calculate the following statistics for the
data (verify data entry using the sample st. dev.!):
9.22
9.47
9.96
n=
xn =
10.52
10.80
9.53
10.69
9.50
9.96
30
Stat-512: ICE #04
Name:
1. Does Atkins diet promote weight loss? A trial with 15 participants was conducted, with weights (in
kilograms) of each participant being measured before the trial, and after 3 months of following Atkins diet:
Before
78.5
82.8
83.
Stat-512: ICE #02
Name: _With Answers
1. The histogram below is based on measurements of the number of scratches on a camera lens determined by
visual inspection. Recall that Minitab cutpoint binning puts data values that fall on bin boundaries into the
b