In a goodness-of-fit test, all of the proportions specified in the null hypothesis must be equal to each other.
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Q. 2The p chart is an example of control charts for attributes.
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Q. 3In conducting a chi-squared goodness-of-fit test, an essential condition is that all expected frequencies are at least five.
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Q. 4If your control chart found a series of points all lying within 3 standard errors above the center line, and none lying below the centerline, this could be an indication of assignable variation due to a(n) ____________________.
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Q. 5The total of the observed frequencies in a multinomial experiment must equal nk where n is the number of trials and k is the number of categories.
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Q. 6If a control chart finds the standard deviation in the means is increasing, this could be an indicator of assignable variation called ____________________.
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Q. 7A chi-squared test is used to describe a population of nominal data.
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