A population consists of all the weights of all defensive tackles on a university's football team They are Johnson, 204 pounds Patrick, 215 pounds Junior, 207 pounds Kendron, 212 pounds Nicko, 214 pounds and Cochran, 208 pounds What is the population standard deviation (in pounds) About 4 About 16 About 100 About 40 A sample of the personnel files of eight male employees revealed that, during a six month period, they were absent the following number of days 2, 0, 6, 3, 10, 4, 1, and 2 What is the mean deviation (in days) 1 0 3 125 2 375 A question in a market survey asks for a respondent's favorite car color Which measure of central location should be used to summarize this question Mode Median Mean Standard deviation For a sample of similar sized all electric homes, the March electric bills were (to the nearest dollar) $212, $191, $176, $129, $106, $92, $108, $109, $103, $121, $175, and $194 What is the range $100 $130 $120 $112 Which one of the following is referred to as the population mean s The distribution of a sample of the outside diameters of PVC pipes approximates a symmetrical, bell shaped distribution The arithmetic mean is 14 0 inches, and the standard deviation is 0 1 inches About 68 of the outside diameters lie between what two amounts 13 5 and 14 5 inches 13 0 and 15 0 inches 13 9 and 14 1 inches 13 8 and 14 2 inches The weights of a sample of crates ready for shipment to Moscow, Russia are (in kilograms) 103, 97, 101, 106, and 103 What is the mean deviation 0 kg 6 9 kg 102 0 kg 2 4 kg A sample of wires coming off the production line was tested for tensile strength The statistical results (in PSI) were the following According to the Empirical Rule, the middle 95 of the wires tested had a tensile strength between approximately what two values 450 and 550 460 and 540 420 and 580 380 and 620 The ages of all the patients in the isolation ward of the hospital are 38, 26, 13, 41, and 22 What is the population variance 106 8 91 4 240 3 42 4

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A population consists of all the weights of all defensive tackles on a university's football team. They are Johnson, 204 pounds; Patrick, 215 pounds; Junior,

A population consists of all the weights of all defensive tackles on a university's football team. They are Johnson, 204 pounds; Patrick, 215 pounds; Junior, 207 pounds; Kendron, 212 pounds; Nicko, 214 pounds; and Cochran, 208 pounds. What is the population standard deviation (in pounds)?

About 4

About 16

About 100

About 40

A sample of the personnel files of eight male employees revealed that, during a six-month period, they were absent the following number of days: 2, 0, 6, 3, 10, 4, 1, and 2. What is the mean deviation (in days)?

3.125

2.375

A question in a market survey asks for a respondent's favorite car color. Which measure of central location should be used to summarize this question?

Mode

Median

Mean

Standard deviation

For a sample of similar sized all-electric homes, the March electric bills were (to the nearest dollar): $212, $191, $176, $129, $106, $92, $108, $109, $103, $121, $175, and $194. What is the range?

$100

$130

$120

$112

Which one of the following is referred to as the population mean?

The distribution of a sample of the outside diameters of PVC pipes approximates a symmetrical, bell-shaped distribution. The arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. About 68% of the outside diameters lie between what two amounts?

13.5 and 14.5 inches

13.0 and 15.0 inches

13.9 and 14.1 inches

13.8 and 14.2 inches

The weights of a sample of crates ready for shipment to Moscow, Russia are (in kilograms): 103, 97, 101, 106, and 103. What is the mean deviation?

0 kg

6.9 kg

102.0 kg

2.4 kg

A sample of wires coming off the production line was tested for tensile strength. The statistical results (in PSI) were the following:

According to the Empirical Rule, the middle 95% of the wires tested had a tensile strength between approximately what two values?

450 and 550