Math

StatisticsQ&A Library7.2525.425.7036.166.4045.965.826.086.246Based on the results shown, is oxygenmusic? Use the .01 significance level. ((b) Sketch the distributions involved. (c)understands mean, standard deviation,about statistics.Lab20. Five sophomores were given an Englishceiving instruction in basic grammar. ThStudentBeforeAfter2018В1822C1715D1617E129Is it reasonable to conclude that future stuter instruction? Use the .05 significance lQuestion

Asked Oct 16, 2019

9 views

five sophomores were given an english achievement test before and after receiving instruction in basic grammar. their scores are shown below. is (see picture!) is it reasonable to conclude that future students would show higher scores after instruction? use the .05 significance level. a. use the steps of hypothesis testing. b. sketch the distributions involved.

1 Rating

Step 1

The following table shows the given data and all the calculations

Step 2

**Formulation of Hypothesis**

Paired T-test is used when we have the same subject and comparing before and after the test.

Step 3

Calculation of sample st...

Tagged in

Find answers to questions asked by student like you

Show more Q&A

Q: n a test of H0: p = 0.4 against H1: p ≠ 0.4, a sample of size 100 produces Z = 1.28 for the value of...

A: The p-value (or observed level of significance) of the test is approximately equal to is,Step-by-ste...

Q: The mean height of an average United States female is 65 inches with a standard deviation of 3.5 inc...

A: The probability that a American women is more than 5 feet 9 inches is obtained below:Let X follows a...

Q: Linearize the graph of the data. USe the Range (m) on the y axis and Gravity (m/s^2) on the x axis....

A: The observation can be linearize using scatter plot.The procedure to draw scatterplot with least-squ...

Q: I lost my notes for solving this sample question for an upcoming exam. Some help reviewing would be ...

A: The total number of board of directors = 10.The officers need to be appointed = 3 (chief Executive o...

Q: How to find the weighted mean of three models

A: The weighted mean is given by the following formula

Q: A die is tossed 50 times. Find the probability that "1 or 2" appears a) exactly 15 times b) at least...

A: The probability that 1 or 2 appears is 1/6.(a)The probability that "1 or 2" appears exactly 15 times...

Q: The following information gives the number of days absent from work for a population of 5 workers at...

A: (a)Step-by-step procedure to obtain the mean using Excel:In Excel sheet, enter # of days absentin on...

Q: Part B. Please show step by step for TI 84

A: It is provided that

Q: A researcher wants to examine how a new intervention helps children learn to read. A random sample o...

A: In the provided information, the one sample t-test will be used for measurement because it is used t...