Calculate the average number of products sold using these numbers.

0, 77, 38, -5, 44, 62.

Use two decimal pointsfor all questions in this test unless a specific question asks for something different.

1 points

Question 3

Calculate the median for number of errors using this data.

56,52,51,16,29,78

1 points

Question 4

Calculate the mode:15, 53, 59, 77, 21, 14, 0, -6, 5

		No mode
		77
		53 and 59
		-6

1 points

Question 5

Calculate the range for salary (in dollars per hour) using this data

55, 78, 18, 27, 51, 51

1 points

Question 6

Calculate the variance for salary (in dollars per hour) using this population data

15, 53, 59, 77, 21, 14

1 points

Question 7

Calculate the populationstandard deviation using this data for how long it takes a client to buy your product(in seconds): 45,23,29,63,12, 15

1 points

Question 8

Calculate the skew for the time taken for a client to buy your product using this sample data

45, 32, 29, 63, 15, 15

1 points

Question 9

Calculate the coefficient of variation for number of errors using this sample data

56, 52, 51, 16, 29, 78

1 points

Question 10

Using the Empirical Rule, in a normal distribution what percentage of values would fall into an interval of -16.34 to 102.34 where the mean is 43 and standard deviation is 19.78? Please format to 3 decimal places.

1 points

Question 11

Calculate the 95th percentile for the data below.

56, 52, 51, 16, 29, 78, 0, -4, 4

1 points

Question 12

Calculate the z score for the time taken to buy your product. x = 33 seconds. Use this sample data.

45, 23, 29, 63, 12, 15

1 points

Question 13

What is the probability of randomly selecting a New service?

	New service	Old service	Totals
Senior	27	27	54
Adult	21	16	37
Totals	48	43	91

1 points

Question 14

What is the probability of randomly selecting someone who is Female and has a Y?
	W	Y	Totals
Male	14	21	35
Female	20	15	35
Totals	34	36	70

1 points

Question 15

What is the probability of randomly selecting a Female or a New product?
	New product	Old product	Totals
Male	15	17	32
Female	22	19	41
Totals	37	36	73

1 points

Question 16

What is the probability of randomly selecting a Old service, given you selected a Male?
	New service	Old service	Totals
Male	12	26	38
Female	11	15	26
Totals	23	41	64

1 points

Question 17

In a roulette game of 36 numbers, how many ways can you pick 4 numbers if order is not important?

1 points

Question 18

What is the Expected Value when sample size is 188 with a probability of 0.80?

1 points

Question 19

What is the expected value?

x	P(X)
0	0.11
1	0.12
2	0.16
3	0
4	0.12
5	0.04
6	0.05
7	0.19
8	0.21

1 points

Question 20

What is the Discrete Variance when sample size is 33 with a probability of 0.64?

1 points

Question 21

What is the Discrete Variance for the following numbers?

x	P(X)
0	0.72
1	0.06
2	0.15
3	0.03
4	0.04

1 points

Question 22

What is the Discrete Standard Deviation when sample size is 187 with a probability of 0.16?

1 points

Question 23

What is the Discrete Standard Deviation for the following numbers?

x	P(X)
0	0.54
1	0.09
2	0.14
3	0.16
4	0.07

1 points

Question 24

What is the Binomial Probability when the number of trials is 12, probability is 0.78, and we want exactly 1 successes. Use 4 decimal places.

1 points

Question 25

What is the Normal Distribution Probability where X is less than 171.42 for a mean of 196, and standard deviation of 37.24

1 points

Question 26

What is the Central Limit Probability where x is more than 346.99 for a population mean of 417, and standard deviation of 170.97 where the sample size is 31?