Example 24. The following table represents the marks obtained by a batch of 12 students incertain class tests in Statistics and Physics.Sr. No.2345671012Marks (Statistics) :535432306046282548723365Marks (Physics) :554148492725232028604367Indicate in which subject is the level of achievement higher?

Answered: Image /qna-images/answer/74b687dc-65e3-4e36-8c20-505d0383dbf0.jpg

Answered: Example 24. The following table…

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 following test scores are for two classes that took the same test. (The highest possible score on the test was 60.) Class 1 (24 scores): 37, 45, 52, 55, 11, 55, 44, 55, 35, 25, 52, 42, 35, 21, 42, 52, 41, 40, 34, 51, 41, 41, 41, 41 Class 2 (25 scores): 50, 40, 40, 23, 40, 50, 31, 31, 40, 31, 31, 31, 53, 33, 33, 35, 55, 24, 39, 40, 41, 59, 41, 39, 46 Form a back-to-back stem and leaf plot with one stem. Put the leaves for one class on the right side of the stem and the leaves for the other class on the left side. Record the leaves in increasing order from the stem. Leaf (Class 1) Stem Leaf (Class 2) 4 3 1
4
41. Find G.M. of the following data. 30 35 40 45 Marks No. of students 8 7 510 50 6 55 60 8 6
Please solve the Statistics Question in 30 minutes with an explanation.
The following are the course grades of a statistics student (in order of performance) from his first year of study: 3, 4, 4, 1, 5, 5, 2, 3, 4. Does the material prove that the student's academic success improved (measured in course grades) as the first academic year progressed?
2.1 answer #3
Solve second one
You want to examine the relationship between dropping out of high school and delinquency. You have a random sample of 11 students. You have the number of delinquent offenses that each student reported committing in the year before and after dropping out of school. The following table shows the data. Before dropping After dropping Student out out 1 7 2 9. 2 3 4 7 7 8 11 6 11 13 7 8 4 8 8 10 9. 5 7 10 2 1 11 3 From performing a hypothesis test to determine if the mean number of delinquent differs after dropping out, what is the p-value? (Round off to two decimal places if necessary)
Mr Alsup asked the studentS in his third-and sixth-period English classes whether they had chosen a topic for thier writing assignment. he recorded the data in a two-way table, as shown below English class Yes No Total Third period 24 6 30 Sixth period 22 3 25 Total 46 9 55 if jannette in in mr alsup sixth-period english class what is the probablity that she has not chosen a topic for her writing assignment? a- 3% b- 5% c- 12% d-14%
Please see below. I need this asap please and thank you.
4. A third year HRM student did a research on the level of service being provided by the school canteen. The following table shows the results of her study. The manager of the canteen would like to know whether the data gathered by the student apply to the professor of the university. He asked randomly selected 60 professors. The following table shows the data he collected. Frequency of Responses Percentage professors (Observed) Excellent 30 5 Good 40 15 Fair 20 20 Рor 10 10
The following test scores are for two classes that took the same test. (The highest possible score on the test was 60.) Class 1 (24 scores): 37, 46, 54, 55, 15, 55, 44, 55, 37, 26, 52, 44, 31, 23, 44, 52, 41, 41, 30, 50, 41, 41, 41, 41 Class 2 (25 scores): 50, 40, 40, 25, 40, 57, 31, 31, 40, 31, 33, 33, 57, 33, 34, 34, 57, 29, 34, 41, 41, 58, 41, 34, 45 Form a back-to-back stem and leaf plot with one stem. Put the leaves for one class on the right side of the stem and the leaves for the other class on the left side. Record the leaves in increasing order from the stem. Leaf (Class 1) Stem Leaf (Class 2) 3 2 1

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