Looking at the sample mean, is there practical significance? Write a sentence explaining your results as if you were explaining to a peer.
(Stuck help to understand this greatly appreciate.)
Homework Answers
Add Answer to:
Looking at the sample mean, is there practical significance? Write a sentence explaining your res...
Write the Null and Alternative Hypotheses for the comparison of the Rikers sample mean of open...
Write the Null and Alternative Hypotheses for the comparison of
the Rikers sample mean of open or unresolved cases (as indicative
of the NYC arrestee population) to the national average of open
cases for arrestees. Please write the hypotheses in sentences, it i
not necessary to insert symbols .
T-Test c:\Users\ariadne.bonano08 \AppData \ Local \Microsoft\Windows \Temporary Files \Content. IE5\AG03 SYHF\Rikers [DataSet1] 1989 (1) . sav Internet One-Sample Statistics Std. Error Std. Deviation Mean N Mean UMBER OF OPEN 1038 1.845...
What is the null hypothesis for Levene’s Test for Equality of Variances? Tested at a .05...
What is the null hypothesis for Levene’s Test for Equality of
Variances?
Tested at a .05 level of significance, the Levene’s F-test in the
output shows that
a.Means are significantly different
b.Means are not significantly different
c.Variances are significantly different
d.Variances are not significantly different
What is the null hypothesis to test the statement that the average
amount of days spent doing homework is different for males and
females?
What is the alternative hypothesis to test the statement that the...
Run the test in SPSS. What was the t-statistic? 6.702 [1 point] What were the confidence intervals? .25, .47 [1 point] What was the p-value? 0 [1 point] PASTE YOUR SPSS OUTPUT HERE! [2 po...
Run the test in SPSS. What was the t-statistic? 6.702 [1 point] What were the confidence intervals? .25, .47 [1 point] What was the p-value? 0 [1 point] PASTE YOUR SPSS OUTPUT HERE! [2 points] One-Sample Test Test Value = 0 t df Sig. (2-tailed) Mean Difference 95% Confidence Interval of the Difference Lower Upper What is your gender? 6.702 79 .000 .363 .25 .47 1. Write up your results in APA format. Your write-up should include sample mean(s)/standard deviation(s),...
Let’s test, with our student data, whether online students spend a different amount of time on...
Let’s test, with our student data, whether online students spend
a different amount of time on their study plan than face-to-face
students. Use an α=0.05. Do not assume population standard
deviations are equal.
Write the probability statement for your p-value with the
correct. (Hint: Double check what the p-value given in the SPSS
output is for, how many tails?)
Make your decision.
Draw conclusions.
Using all of the previous Real World problems, write a brief
description of what you have...
A researcher is interested to see if there is an average difference in the age of...
A researcher is interested to see if there is an average difference in the age of male v. female CJ381 students. To examine this, she conducts a t-test. The SPSS output is shown below: Group Statistics sex N age in years 224 HL Mean 19.83 256 19.86 female male Std. Deviation 2.063 1.965 Std. Error Mean 138 123 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means sia Mean Difference 95% Confidence interval of the...
QUESTION 4 A study seeks to determine if the mean difference between weekly grocery expenses this...
QUESTION 4 A study seeks to determine if the mean difference between weekly grocery expenses this year and five years 2go is not zero. A sample of 60 adults participated in a five-year follow up study. Their weekly grocery expenses were recorded five years ago and this year. Below is the SPSS output corresponding to this study Paired Samples Statistics Sid Error Waan Pair: This Yr Five Yrsago Mean 153.2076 140.9193 N Std Deviation 60 406025 60 5 .20713 5...
Now suppose a larger sample (30 pairs vs 10 pairs) was collected and a paired t test was used to analyze the data. The...
Now suppose a larger sample (30 pairs vs 10 pairs) was collected and a paired t test was used to analyze the data. The output is shown below. Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Female salaries 6773.33 30 782.099 142.791 Male salaries 7213.33 30 875.227 159.794 Paired Samples Correlations N Correlation Sig. Pair 1 Female salaries & Male salaries 30 .881 .000 Paired Samples Test Paired Differences t df Sig. (2-tailed) Mean Std. Deviation...
The Davidson Trauma Scale (DTS; Davidson, 1997) is a self-report instrument that indicates the presence and...
The Davidson Trauma Scale (DTS; Davidson, 1997) is a self-report instrument that indicates the presence and severity of trauma symptoms. It is often used to detect PTSD, with scores ranging from 0 to 136, and a mean in the general population of 11 (Davidson, Tharwani, and Connor, 2002). A clinical psychologist is interested in measuring trauma in a sample of paramedics at the hospital where she works. Using the data in the table below, set up your data file in...
The output below is for a t-test for the hypothesis: Individuals living in bad neighborhoods commit...
The output below is for a t-test for the hypothesis: Individuals
living in bad neighborhoods commit more crime than those living in
good neighborhoods. The data in the Group Statistics section
provides you with the average number of crimes committed by
individuals living in good and bad neighborhoods and the standard
deviation of this same variable. The findings of significance are
located in the Independent Samples Test section. Pay particular
attention to the "t" column and the "Sig (2-tailed)"column. The...
Dependent Sample T-Test Researchers were interested in studying whether the type of food eaten influences appearance...
Dependent Sample T-Test Researchers were interested in studying whether the type of food eaten influences appearance perception. Participants were shown 2 pictures of a woman eating either fast food (i.e., a burger with fries) or healthier food (i.e., a salad). The participants were then asked to rate the woman’s level of attractiveness on a scale of 1 (very unattractive) to 7 (very attractive). Given the above information, answer the questions below (assume a level of significance of .05). State the...
Write the Null and Alternative Hypotheses for the comparison of
the Rikers sample mean of open or unresolved cases (as indicative
of the NYC arrestee population) to the national average of open
cases for arrestees. Please write the hypotheses in sentences, it i
not necessary to insert symbols .
T-Test c:\Users\ariadne.bonano08 \AppData \ Local \Microsoft\Windows \Temporary Files \Content. IE5\AG03 SYHF\Rikers [DataSet1] 1989 (1) . sav Internet One-Sample Statistics Std. Error Std. Deviation Mean N Mean UMBER OF OPEN 1038 1.845...
What is the null hypothesis for Levene’s Test for Equality of
Variances?
Tested at a .05 level of significance, the Levene’s F-test in the
output shows that
a.Means are significantly different
b.Means are not significantly different
c.Variances are significantly different
d.Variances are not significantly different
What is the null hypothesis to test the statement that the average
amount of days spent doing homework is different for males and
females?
What is the alternative hypothesis to test the statement that the...
Let’s test, with our student data, whether online students spend
a different amount of time on their study plan than face-to-face
students. Use an α=0.05. Do not assume population standard
deviations are equal.
Write the probability statement for your p-value with the
correct. (Hint: Double check what the p-value given in the SPSS
output is for, how many tails?)
Make your decision.
Draw conclusions.
Using all of the previous Real World problems, write a brief
description of what you have...
A researcher is interested to see if there is an average difference in the age of male v. female CJ381 students. To examine this, she conducts a t-test. The SPSS output is shown below: Group Statistics sex N age in years 224 HL Mean 19.83 256 19.86 female male Std. Deviation 2.063 1.965 Std. Error Mean 138 123 Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means sia Mean Difference 95% Confidence interval of the...
QUESTION 4 A study seeks to determine if the mean difference between weekly grocery expenses this year and five years 2go is not zero. A sample of 60 adults participated in a five-year follow up study. Their weekly grocery expenses were recorded five years ago and this year. Below is the SPSS output corresponding to this study Paired Samples Statistics Sid Error Waan Pair: This Yr Five Yrsago Mean 153.2076 140.9193 N Std Deviation 60 406025 60 5 .20713 5...
The output below is for a t-test for the hypothesis: Individuals
living in bad neighborhoods commit more crime than those living in
good neighborhoods. The data in the Group Statistics section
provides you with the average number of crimes committed by
individuals living in good and bad neighborhoods and the standard
deviation of this same variable. The findings of significance are
located in the Independent Samples Test section. Pay particular
attention to the "t" column and the "Sig (2-tailed)"column. The...
Most questions answered within 3 hours.
-
The pH of a sample of water from a river is 5.0. A
sample of effluent from...
asked 35 minutes ago -
At the beginning of the period, the Fabricating Department
budgeted direct labor of $136,500 and equipment...
asked 1 hour ago -
Please answer all
____ 28. Rent control is usually
justified on the grounds that it protects...
asked 1 hour ago -
PARTS A-D HAVE BEEN ANSWERED. WAS TOLD TO REPOST. ONLY ANSWER
PARTS E and F.
A...
asked 1 hour ago -
2) You are given the task of finding a representation for a
circle in a drawing...
asked 2 hours ago -
STUDY QUESTION: Does use of diet drug fen-phen
(fenfluramine-phentermine) cause valvular heart disease?
HINT: Valvular heart...
asked 2 hours ago -
1. An object weighing 40 N rests on a surface. The coefficient
of friction is 0.35....
asked 3 hours ago -
Investor company owns 35% of investee company voting stock and
accounts for the investment under the...
asked 4 hours ago -
The number of major faults on a randomly chosen 1 km stretch of
highway has a...
asked 5 hours ago -
Consider the competitive environment of Starbuck's, Progressive
Insurance, a manufacturing firm with low turnover, or a...
asked 5 hours ago -
3. Gains from trade
Consider two neighbouring island countries called Euphoria and
Contente. They each have...
asked 7 hours ago -
A business executive has the option to invest money in two
plans: Plan A guarantees that...
asked 10 hours ago