A company implemented an exercise program to see if it would improve job satisfaction. Job satisfaction...
A company implemented an exercise program to see if it would improve job satisfaction. Job satisfaction scores for
10 randomly selected workers before and after the program are shown below. Complete parts a) through c) below.
|
Worker |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
|
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Before |
40 |
12 |
38 |
13 |
18 |
41 |
28 |
22 |
45 |
11 |
|
|
After |
69 |
27 |
35 |
30 |
19 |
49 |
31 |
25 |
53 |
77 |
Compute the test statistic.
t =
Compute the P value
p=
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A company implemented an exercise program to see if it would
improve job satisfaction. Job satisfaction...
2. A company institutes an exercise break for its workers to see if it will affee...
2. A company institutes an exercise break for its workers to see if it will affee satisfaction, as measured by a questionnaire that assesses workers' satisfactio for 10 randomly selected workers before and after the implementation of the program are shown in the table below. exercise Before 34 28 29 45 26 27 24 1515 27 After 33 36 50 41 3741 39 121 20 37 Do these results provide evidence that workers' satisfaction has changed? Assume the conditions allow...
A local school district recently implemented an experimental program to improve mathematical skills for a specific...
A local school district recently implemented an experimental program to improve mathematical skills for a specific high risk population. They selected 15 students to be in the initial study. After 1 year, the students in the program took a national mathematic achievement test. Students in this high risk population score an average of 35 with a standard deviation of 6. The goal of the program is for students to increase performance. Assume the data is approximately normally distributed. The scores...
A research study concluded that self-employed individuals do not experience higher job satisfaction than individuals who...
A research study concluded that self-employed individuals do not experience higher job satisfaction than individuals who are not self-employed. In this study, job satisfaction is measured using 18 items, each of which is rated using a Likert-type scale with 1–5 response options ranging from strong agreement to strong disagreement. A higher score on this scale indicates a higher degree of job satisfaction. The sum of the ratings for the 18 items, ranging from 18–90, is used as the measure of...
Written in Java Your job is to produce a program that sorts a list of numbers...
Written in Java Your job is to produce a program that sorts a list of numbers in ascending order. Your program will need to read-in, from a file, a list of integers – at which point you should allow the user an option to choose to sort the numbers in ascending order via one of the three Sorting algorithms that we have explored. Your program should use the concept of Polymorphism to provide this sorting feature. As output, you will...
A research study concluded that self-employed individuals do not experience higher job satisfaction than individuals who...
A research study concluded that self-employed individuals do not experience higher job satisfaction than individuals who are not self-employed. In this study, job satisfaction is measured using 18 items, each of which is rated using a Likert-type scale with 1–5 response options ranging from strong agreement to strong disagreement. A higher score on this scale indicates a higher degree of job satisfaction. The sum of the ratings for the 18 items, ranging from 18–90, is used as the measure of...
3. A hospital administrator wished to study the relation between patient satisfaction (Y) and pat...
solvel only E F G H
below is pat data
3. A hospital administrator wished to study the relation between patient satisfaction (Y) and patients age (Xi, in years), severity of illness (X2, an index) and anxiety level (X3, an index). The administrator randomly selected 23 patients and collected the data in pat, where larger values of Y, X2 and X3 are, respectively, associated with more satisfaction, increased severity of illness and more anxiety. The data is saved in Moodle2...
A fitness course claims that it can improve an individual's physical ability. To test the effect...
A fitness course claims that it can improve an individual's physical ability. To test the effect of a physical fitness course on one's physical ability, the number of sit-ups that a person could do in one minute, both before and after the course, was recorded. Ten individuals are randomly selected to participate in the course. The results are displayed in the following table. Can it be concluded, from the data, that participation in the physical fitness course resulted in significant...
48 57 Amy Bakery has four shops in different area in a city. Monthly sales (in...
48 57 Amy Bakery has four shops in different area in a city. Monthly sales (in thousands of dollars) from a random of 24 months from each of the 4 shops given in Table 1. Table 1: Monthly sales (in thousands of dollars) North East South West 77 75 97 60 45 42 60 54 56 49 68 47 44 39 58 57 63 61 69 51 75 63 79 50 90 81 99 73 32 47 46 41 41...
An educator believes that new reading activities for elementary school children will improve reading comprehension scores....
An educator believes that new reading activities for elementary
school children will improve reading comprehension scores. She
randomly assigns third graders to an eight-week program in which
some will use these activities and others will experience
traditional teaching methods. At the end of the experiment, both
groups take a reading comprehension exam. Their Scores are shown
below.
New Activities: 23, 34, 34, 34, 35, 37, 42, 43, 44, 46, 47, 48,
49, 55
Control: 12, 13, 22, 26, 29, 30,...
A fitness course claims that it can improve an individual's physical ability. To test the effect...
A fitness course claims that it can improve an individual's physical ability. To test the effect of a physical fitness course on one's physical ability, the number of sit-ups that a person could do in one minute, both before and after the course, was recorded. Ten individuals are randomly selected to participate in the course. The results are displayed in the following table. Can it be concluded, from the data, that participation in the physical fitness course resulted in significant...
2. A company institutes an exercise break for its workers to see if it will affee satisfaction, as measured by a questionnaire that assesses workers' satisfactio for 10 randomly selected workers before and after the implementation of the program are shown in the table below. exercise Before 34 28 29 45 26 27 24 1515 27 After 33 36 50 41 3741 39 121 20 37 Do these results provide evidence that workers' satisfaction has changed? Assume the conditions allow...
A local school district recently implemented an experimental program to improve mathematical skills for a specific high risk population. They selected 15 students to be in the initial study. After 1 year, the students in the program took a national mathematic achievement test. Students in this high risk population score an average of 35 with a standard deviation of 6. The goal of the program is for students to increase performance. Assume the data is approximately normally distributed. The scores...
solvel only E F G H
below is pat data
3. A hospital administrator wished to study the relation between patient satisfaction (Y) and patients age (Xi, in years), severity of illness (X2, an index) and anxiety level (X3, an index). The administrator randomly selected 23 patients and collected the data in pat, where larger values of Y, X2 and X3 are, respectively, associated with more satisfaction, increased severity of illness and more anxiety. The data is saved in Moodle2...
48 57 Amy Bakery has four shops in different area in a city. Monthly sales (in thousands of dollars) from a random of 24 months from each of the 4 shops given in Table 1. Table 1: Monthly sales (in thousands of dollars) North East South West 77 75 97 60 45 42 60 54 56 49 68 47 44 39 58 57 63 61 69 51 75 63 79 50 90 81 99 73 32 47 46 41 41...
An educator believes that new reading activities for elementary
school children will improve reading comprehension scores. She
randomly assigns third graders to an eight-week program in which
some will use these activities and others will experience
traditional teaching methods. At the end of the experiment, both
groups take a reading comprehension exam. Their Scores are shown
below.
New Activities: 23, 34, 34, 34, 35, 37, 42, 43, 44, 46, 47, 48,
49, 55
Control: 12, 13, 22, 26, 29, 30,...
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