Suppose that researchers collected a simple random sample of 39 children who had been identified as gifted in a large city. Provided are some sample statistics. MotherFatherPaired Diff. (Mother - Father)Mean115.6110.31.69666666666667SD6.83.812.0156994525218N393939(a) What is the test statistic?_______(b) What is the P-Value?________

Name: Suppose that researchers collected a simple random sample of 39 childr
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Description: Suppose that researchers collected a simple random sample of 39 children who had been identified as gifted in a large city. Provided are some sample statistics. MotherFatherPaired Diff. (Mother - Father)Mean115.6110.31.69666666666667SD6.83.812.01569

Answered: Suppose that researchers collected a…

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter13: Probability And Calculus

Section13.3: Special Probability Density Functions

Problem 16E

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Suppose that researchers collected a simple random sample of 39 children who had been identified as gifted in a large city. Provided are some sample statistics.

	Mother	Father	Paired Diff. (Mother - Father)
Mean	115.6	110.3	1.69666666666667
SD	6.8	3.8	12.0156994525218
N	39	39	39

(a) What is the test statistic?_______

(b) What is the P-Value?________

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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