A random sample of 10 children found that their average growth for the first year was 9.8 inches, with a standard deviation of 0.96 inches. Find the 85% confidence interval of the mean growth of all American children in the first year of life. What is the name of the confidence interval? Two Independent Samples t Interval One Sample t Interval ANOVA One Proportion z Interval Two Proportion z Interval Correlation t Interval Chi-Square Interval for Independence One Sample z Interval Chi-Square Goodness of Fit Interval Paired Samples t Interval Have the assumptions been met? Check which assumptions have been met. Equal population variances Random sample Independent trials Normal Sampling Distribution: n₁p₁ ≥ 5, n₁(1 - p₁) ≥ 5 n₂p₂ ≥ 5 & n₂(1 - p₂) ≥ 5 Expected values ≥ 5 Known population standard deviation Fixed number of trials Normal Sampling Distribution: n ≥ 30 or Population is normally distributed Two outcomes Independent samples Unknown population standard deviation The proportion is constant Normal Sampling Distribution: np ≥ 5 & n(1 - p) ≥ 5 Check which assumptions have not been met so we would say "the assumption may not be met" or have to check the histogram, box plot, and normal quantile plot. The proportion is constant Expected values ≥ 5 Normal Sampling Distribution: np ≥ 5 & n(1 - p) ≥ 5 Equal population variances Normal Sampling Distribution: n ≥ 30 or Population is normally distributed Fixed number of trials Independent samples Normal Sampling Distribution: n₁p₁ ≥ 5, n₁(1 - p₁) ≥ 5 n₂p₂ ≥ 5 & n₂(1 - p₂) ≥ 5 Random sample Known population standard deviation Independent trials Unknown population standard deviation Two outcomes Which sample statistics are required? μ0 p0 p s2 σ x p^ s μ x¯ Fill in the interval rounding to three decimal places for each number. < μ< _

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Related questions

Question

A random sample of 10 children found that their average growth for the first year was 9.8 inches, with a standard deviation of 0.96 inches. Find the 85% confidence interval of the mean growth of all American children in the first year of life.
What is the name of the confidence interval?

Two Independent Samples t Interval
One Sample t Interval
ANOVA
One Proportion z Interval
Two Proportion z Interval
Correlation t Interval
Chi-Square Interval for Independence
One Sample z Interval
Chi-Square Goodness of Fit Interval
Paired Samples t Interval

Have the assumptions been met? Check which assumptions have been met.

Equal population variances
Random sample
Independent trials
Normal Sampling Distribution: n₁p₁ ≥ 5, n₁(1 - p₁) ≥ 5 n₂p₂ ≥ 5 & n₂(1 - p₂) ≥ 5
Expected values ≥ 5
Known population standard deviation
Fixed number of trials
Normal Sampling Distribution: n ≥ 30 or Population is normally distributed
Two outcomes
Independent samples
Unknown population standard deviation
The proportion is constant
Normal Sampling Distribution: np ≥ 5 & n(1 - p) ≥ 5

Check which assumptions have not been met so we would say "the assumption may not be met" or have to check the histogram, box plot, and normal quantile plot.

The proportion is constant
Expected values ≥ 5
Normal Sampling Distribution: np ≥ 5 & n(1 - p) ≥ 5
Equal population variances
Normal Sampling Distribution: n ≥ 30 or Population is normally distributed
Fixed number of trials
Independent samples
Normal Sampling Distribution: n₁p₁ ≥ 5, n₁(1 - p₁) ≥ 5 n₂p₂ ≥ 5 & n₂(1 - p₂) ≥ 5
Random sample
Known population standard deviation
Independent trials
Unknown population standard deviation
Two outcomes