Question

Regents are certain about the ineffectiveness of the Orange Grove Preschool reading program. The average reading...

Regents are certain about the ineffectiveness of the Orange Grove Preschool reading program. The average reading comprehension score is 25 for children of comparative age. The data below are reading comprehension scores from a sample of children from Orange Grove Preschool. Scores range from 0 - 40 with higher scores indicating better reading comprehension. What can be concluded with α = 0.01?

id reading
35
36
37
38
39
40
41
42
43
44
45
10
11
12
13
14
15
16
17
18
27
33
38
17
19
27
29
18
21
35
18
28
23
22
24
20
35
24
17
16



a) What is the appropriate test statistic?
---Select--- na z-test One-Sample t-test Independent-Samples t-test Related-Samples t-test

b)
Population:
---Select--- Orange Grove Preschool children of comparative age reading Regents reading comprehension scores
Sample:
---Select--- Orange Grove Preschool children of comparative age reading Regents reading comprehension scores

c) Input the appropriate value(s) to make a decision about H0.
(Hint: Make sure to write down the null and alternative hypotheses to help solve the problem.)
p-value =  ; Decision:  ---Select--- Reject H0 Fail to reject H0

d) Using the SPSS results, compute the corresponding effect size(s) and indicate magnitude(s).
If not appropriate, input and/or select "na" below.
d =  ;   ---Select--- na trivial effect small effect medium effect large effect
r2 =  ;   ---Select--- na trivial effect small effect medium effect large effect

e) Make an interpretation based on the results.

Orange Grove Preschool has a significantly effective reading program.Orange Grove Preschool has a significantly ineffective reading program.    Orange Grove Preschool reading program does not have a significant effect.

Homework Answers

Answer #1

a) What is the appropriate test statistic?
One-Sample t-test
b)
Population:
reading comprehension scores
Sample:
Orange Grove Preschool children of comparative
c) Input the appropriate value(s) to make a decision about H0.

H0: µ = 25

Ha: µ > 25

p-value = 0.6159; Decision: Fail to reject H0

d) Using the SPSS results, compute the corresponding effect size(s) and indicate magnitude(s).
If not appropriate, input and/or select "na" below.
d =  ; large effect
r2 =  ; small effect
e) Make an interpretation based on the results.

Orange Grove Preschool reading program does not have a significant effect.

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Administrators want to know the effectiveness of the Orange Grove Elementary reading program. The average reading...
Administrators want to know the effectiveness of the Orange Grove Elementary reading program. The average reading comprehension score is 22 for children of comparative age. The data below are reading comprehension scores from a sample of children from Orange Grove Elementary. Scores range from 0 - 40 with higher scores indicating better reading comprehension. What can be concluded with α = 0.05? id reading 35 36 37 38 39 40 41 42 43 44 45 10 11 12 13 14...
Administrators are sure about the ineffectiveness of the Apple Orchard Preschool reading program. The average reading...
Administrators are sure about the ineffectiveness of the Apple Orchard Preschool reading program. The average reading comprehension score is 20 for children of comparative age. The data below are reading comprehension scores from a sample of children from Apple Orchard Preschool. Scores range from 0 - 40 with higher scores indicating better reading comprehension. What can be concluded with α = 0.05? id reading 35 36 37 38 39 40 41 42 43 44 45 10 11 12 13 14...
Children of a certain age in the nation have an average weight of 86 with a...
Children of a certain age in the nation have an average weight of 86 with a variance of 92.16 lb. A complaint is made that children are overfed fed in a municipal children's home. As evidence, a sample of 24 children of the given age is taken from the children's home with an average weight of 89.65 lb. What can be concluded with an α of 0.05? a) What is the appropriate test statistic? ---Select one--- (na, z-test, one-sample t-test,...
Dr. Addison believes that going through a training program will increase weekly reading. College students read...
Dr. Addison believes that going through a training program will increase weekly reading. College students read a mean of 2.3 days a week with a variance of 4.00 days. Dr. Addison's sample of 30 students read a mean of 3.2 days a week. What can be concluded with an α of 0.05? c) Obtain/compute the appropriate values to make a decision about H0. (Hint: Make sure to write down the null and alternative hypotheses to help solve the problem.) critical...
Boys of a certain age in the nation have an average weight of 86 with a...
Boys of a certain age in the nation have an average weight of 86 with a standard deviation of 9.6 lb. A complaint is made that boys are overfed in a municipal children's home. As evidence, a sample of 29 boys of the given age is taken from the children's home with an average weight of 85.14 lb. What can be concluded with α = 0.01? a) What is the appropriate test statistic? ---Select--- na z-test One-Sample t-test Independent-Samples t-test...
A social psychologist predicts that college students will be impaired from a self-efficacy program for professional...
A social psychologist predicts that college students will be impaired from a self-efficacy program for professional athletes. A sample of students is drawn from a university whose students have an average of 54 for self-efficacy. The sample of students goes through the program for six weeks and afterwards are given a self-efficacy questionnaire. What can the psychologist conclude with an α of 0.01? The self-efficacy scores for the sample after six weeks are: 50, 61, 80, 46, 94, 66, 76,...
A social psychologist predicts that college students will benefit from a self-efficacy program for professional athletes....
A social psychologist predicts that college students will benefit from a self-efficacy program for professional athletes. A sample of students is drawn from a university whose students have an average of 54 for self-efficacy. The sample of students goes through the program for six weeks and afterwards are given a self-efficacy questionnaire. What can the psychologist conclude with an α of 0.01? The self-efficacy scores for the sample after six weeks are: 50, 61, 80, 46, 94, 51, 37, 85,...
A political scientist hypothesizes that a political ad will reduce attitudes about a particular issue. The...
A political scientist hypothesizes that a political ad will reduce attitudes about a particular issue. The scientist randomly asks 31 individuals walking by to see the ad and then take a quiz on the issue. The general public that knows little to nothing about the issue, on average, scores 50 on the quiz. The individuals that saw the ad scored an average of 53.59 with a variance of 25.70. What can the political scientist conclude with an α of 0.05?...
The mean height of adult males in the U.S is about 68.2" with a variance of...
The mean height of adult males in the U.S is about 68.2" with a variance of 16.00". Suppose the mean height of a sample of 30 mentally disabled males was found to be 69.6". Researchers want to know if the height of mentally disabled males differs from the population. What can be concluded with α = 0.01? a) What is the appropriate test statistic? ---Select from the options--- na z-test, one-sample t-test, independent-samples t-test, related-samples t-test b) Population: ---Select from...
Generally, the average typing speed is 56 words per minute (wp). A professor wanted to see...
Generally, the average typing speed is 56 words per minute (wp). A professor wanted to see where his students stand compared to the population. He tested 24 of his students and obtained the following estimates: an average typing speed of 58 with a variance of 361.00. What can the professor conclude with α = 0.01? a) What is the appropriate test statistic? ---Select--- na z-test One-Sample t-test Independent-Samples t-test Related-Samples t-test Also state population and sample from choices below Population:...