The number of points held by a sample of the NHL’s highest scorers for both the Eastern Conference and the Western Conference is shown below. At 0.01 level of significance,can it be concluded that the mean score of Eastern Conference is higher than WesternConference based on these data? Use P value method.Eastern Conference 83 60 75 68 78 69 70 68 62 61 59Western Conference 77 59 72 58 37 57 66 55 61 The number of points held by a sample of the NHL’s highest scorers for both the EasternConference and the Western Conference is shown below. At 0.01 level of significance,can it be concluded that the mean score of Eastern Conference is higher than WesternConference based on these data? Use P value method.Eastern Conference 83 6075 68 78697068 626159Western Conference 77 5972 5837 57665561

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Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

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The number of points held by a sample of the NHL’s highest scorers for both the Eastern Conference and the Western Conference is shown below. At 0.01 level of significance,can it be concluded that the mean score of Eastern Conference is higher than WesternConference based on these data? Use P value method.
Eastern Conference 83 60 75 68 78 69 70 68 62 61 59
Western Conference 77 59 72 58 37 57 66 55 61

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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