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Home Q & A Board Science-Related Homework Help Mathematics
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kate lynn kate lynn
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6 years ago
A sample of 28 elements is selected to estimate a 95 confidence interval for the variance of the population. The chi-square values to be used for this interval estimation are
 a. 11.808 and 49.645.
  b. 14.573 and 43.195.
  c. 16.151 and 40.113.
  d. 15.308 and 44.461.
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takirahh_takirahh_
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Anonymous
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10 months ago
A sample of 21 elements is selected to estimate a 95% confidence interval for the variance of the population. The chi-square values to be used for this interval estimation are:

a. 34.764 and 67.505

b. 12.8786 and 46.9630

c. 9.591 and 34.170

d. -1.96 and 1.96
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