40. For a two-tailed test, the p-value is:A) the area under the curve between the mean and the observed value of the samplestatisticB)twice the area under the curve between the mean and the observed value of thesample statisticC) the area in the tail under the curve on the side which the sample statistic liesD) twice the area in the tail under the curve on the side which the sample statistic lies

Answered: Image /qna-images/answer/c300346e-02ad-4de0-ba76-ea89a4d7ddb3.jpg

Answered: 40. For a two-tailed test, the p-value…

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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The average heart rate is 80 BPM. Leon is studying the effect of a new drug, and his sample of 25 people finds an average BPM of 83 and a sample standard deviation of 8. What is the test statistic, and is this increase significant at the 5% level? Use a one sided test. A) 1.711, significant B) 1.875, significant C) 1.711, not significant D) 1.875, not significant
A point estimate for the sample mean is: (select one) s, Sample standard deviation Oz, Z- score Ox, Sample mean O ME , Margin of error
A sample of 100 adult women was taken, and each was asked how many children she had. The results were as follows: Children 0 1 2 3 4 5 Number of Women 27 22 30 12 7 2 a. Find the sample mean number of children. b. Find the sample standard deviation of the number of children. c. Find the sample median of the number of children. d. What is the first quartile of the number of children? e. What proportion of the women had more than the mean number of children? f. For what proportion of the women was the num- ber of children more than one standard deviation greater than the mean? g. For what proportion of the women was the num- ber of children within one standard deviation of the mean?
c) A dispensing machine fills Yomi’s yogurt drinks into cups. The volume of a Yomi’s yogurt drink is normally distributed with a mean of 520 ml and a standard deviation of 5 ml.Question(ii) 4.8% of the of the Yomi’s yogurt drink is having the volume to be less than k ml. Find the value of k.
1. What is another term used for standard normal score? a. mean score c. x score b. t-score d. z-score
6. Complete the table for the repeated measures ANOVA for a study where ten subjects are measured four times each (varying by reward condition - Factor A) for the same task. Interpret results. Sig? Source df MS Fobs Ferit Y/N A 1200 AS 900
A statisican that is a sports enthusiast estimated the mean cost for regular season upper level NBA tickets. They determined the mean cost to be between $52 and $78. What is the sample mean (7) ? A What is the margin of error (E)? AV
Consider the sample consisting of the following nine results : 2.3, 7.2, 3.7, 4.6, 5.0, 7.0, 3.7, 4.9, 4.2.Find the upper quartile.
Provide two synonyms for “the distribution of all possible sample means for samples of a given size.”
A primary measure of dispersion for sample data is the sample standard deviation, s. Choose the best option to explain what the meaning of the sample standard deviation is, in general. A. The distance between one observation and the mean. B. The average distance of an observation from the middle of the distribution. C. The average distance between observations in the sample. D. The distance between the third and first quartiles.
a. Develop a hypothesis test that can be used to determine whether the mean annual consumption in Webster City is higher than the national mean. Ho: $21.5 Ha: >21.5 b. What is a point estimate of the difference between mean annual consumption in Webster City and the national mean? (2 decimals) c. At a = 0.01, test for a significant difference by completing the following. Calculate the value of the test statistic (2 decimals). The p-value is Reject the null hypothesis? (4 decimals) Yes v What is your conclusion? Conclude the population mean consumption of milk in Webster City is greater tha
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