talanna394
26.07.2019 •
Mathematics
Fill in the blank. the distribution is used to develop confidence interval estimates of variances or standard deviations. the ▼ normal chi-square z-score student's t distribution is used to develop confidence interval estimates of variances or standard deviations.
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Ответ:
Ответ:
A confidence interval is a type of estimate, like a sample average or sample standard deviation, but instead of being just one number it is an interval of numbers.A chi square statistic is used to investigate whether distributions of categorical variables differ from one another.The Chi Square statistic is commonly used for testing relationships between categorical variables.
The ___chi square distribution is used to develop confidence interval estimates of variances or standard deviations
Ответ:
(0,-4)
Step-by-step explanation:
4x-2y=8
y=-4-3x
4x-2(-4-3x)=8
x=0
y=-4-3x0
y=-4