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Home Q & A Board Science-Related Homework Help Mathematics
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NERD NERD
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6 years ago
A sample of 21 elements is selected to estimate a 90 confidence interval for the variance of the population. The chi-square value(s) to be used for this interval estimation is(are)
 a. 31.410.
  b. 12.443.
  c. 10.851 and 31.410.
  d. 12.443 and 28.412.
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sweetpeajezzysweetpeajezzy
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6 years ago
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NERD Author
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6 years ago
This helped my grade so much Perfect
kaytee23
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Yesterday
Thank you, thank you, thank you!
Brownr40
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2 hours ago
This site is awesome
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