a. Between 3 and 5 b. Less than 3 c. Between 5 and d. 10 and larger e. all of th

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a. Between 3 and 5 b. Less than 3 c. Between 5 and d. 10 and larger e. all of the above 15. A variable a. is a quality characteristic which is measurable b. is a quality characteristic which is counted e. is a quality characteristic which can be classified as "good-bad" d. e. can be colors of the "rainbow" none of the above 16. Which diagram given below best describes the process that would most likely to have problems in meeting the tolerances: a. a b. b e. (a), (b) and (c) above Question No. 1 To construct a variable control chart, samples of six units were taken from a manufacturing process at regular intervals. The width of a slot on each un it was measured, and the average and range calculated for each subgroup. After 25 subgroups of six, the following results were obtained: X- 145.38 R-10.74 All points on the X-bar (average) and range charts fell within the control limits. Specifications for slot width are 145± 10.0. If the width is normally distributed and the the following questions (by cireling the correct answer) process is centered at 145.38, answer a. The standard deviation of the process is about: (5 points) 0.79, 1.27, 2.37, 4.24, 6.70, 10.98, 13.25, 18.20, 25.44, 32.88 The process capability would be about: (5 points) 0.79, 1.27, 2.37, 4.24, 6.70, 1098, 13.25, 18.20, 25.44, 32.88 b.

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15) Variable control charts are used to monitor continuous characteristics of the products such as length, weight, and voltage which are measurable on numerical scales. However, it is not always possible to express the quality characteristics on a numerical scale.

There are two types of product quality characteristics, variables, and attributes. Variables are thosequality characteristics that can be measured on a continuous scale

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