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  3. q: calculate the mean, standard deviation, and 95%

Q: Calculate the mean, standard deviation, and 95% confidence limits for each set. A B C D E F 3.5 70.24 .812 2.7 70.65 .514 3.1 70.22 .792 3.0 70.63 .503 3.1 70.10 .794 2.6 70.64 .486 3.3 .900 2.8 70.21 .497 2.5 3.2 .472 Q2: A type of...

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Question

Basic Math

Q: Calculate the mean, standard deviation, and 95% confidencelimits for each set.

A

B

C

D

E

F

3.5

70.24

.812

2.7

70.65

.514

3.1

70.22

.792

3.0

70.63

.503

3.1

70.10

.794

2.6

70.64

.486

3.3

.900

2.8

70.21

.497

2.5

3.2

.472

Q2: A type of steel contains 1.12% nickel and the standarddeviation is 0.03%. The following data are collected (inpercent)

a) 1.10 b) 1.08 c) 1.09 d) 1.12 e) 1.09

Is there an indication of bias in the method at the 95%level?

Answer & Explanation Solved by verified expert
3.6 Ratings (585 Votes)
1 for A sample std dev s X x n1 03742 Sample Size n 5 Sample Mean x Xn    See Answer
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