Accepted characters: numbers, decimal point markers (period or comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000), “E” or “e” (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker. Complex numbers should be in the form (a + bi) where “a” and “b” need to have explicitly stated values. For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas {9i} is not. A statistician wishes to test the claim that the standard deviation of the weights of firemen is greater than 25 pounds. To do so, she selected a random sample of 20 firemen and found s = 27.2 pounds. Assuming that the weights of firemen are normally distributed, to test her research hypothesis the statistician would use a chi-square test. In that case, what is the computed test value? Place your answer, rounded to 3 decimal places, in the blank. For example, 23.456 would be a legitimate entry.
Accepted characters: numbers, decimal point markers (period or
comma), sign indicators (-), spaces (e.g., as thousands separator, 5 000),
“E” or “e” (used in scientific notation). NOTE: For scientific notation, a
period MUST be used as the decimal point marker.
“b” need to have explicitly stated values.
For example: {1+1i} is valid whereas {1+i} is not. {0+9i} is valid whereas
{9i} is not.
A statistician wishes to test the claim that the standard deviation of the
weights of firemen is greater than 25 pounds. To do so, she selected a
random sample of 20 firemen and found s = 27.2 pounds.
Assuming that the weights of firemen are
research hypothesis the statistician would use a chi-square test. In that
case, what is the computed test value?
Place your answer, rounded to 3 decimal places, in the blank. For example,
23.456 would be a legitimate entry.
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