You decide to use an alpha level of .05. Based on this, your degrees of freedom,...
You decide to use an alpha level of .05. Based on this, your degrees of freedom, and your hypothesis type (one tailed or two tailed), you determine that your critical region consists of t values greater than or less than . IMPORTANT NOTES: 1. The row with ∞ in the degrees of freedom column is used any time the degrees of freedom exceed 120. 2. Enter your answers to THREE decimal places. If the answer is positive, enter a + before the number; if the answer
Independent Samples Test
Levene's Test for Equality of
Variances t-test for Equality of
Means
F Sig.
t df Sig. (2-tailed) Mean
Difference Std. Error Difference 95%
Confidence Interval of the Difference
Lower Upper
menpolitics Equal variances assumed
2.149 .145 -2.115
132 .036 -.352 .167
-.682 -.023
Equal variances not assumed
-2.036
53.515 .047 -.352
.173 -.699 -.005
Group Statistics
gender N Mean Std.
Deviation Std. Error Mean
menpolitics 1 100
2.03 .822 .082
0 34 2.38
.888 .152
Homework Answers
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You decide to use an alpha level of .05. Based on this, your
degrees of freedom,...
QUESTION 1 "Look at the SPSS output below. Given a two-tailed test and an alpha of...
QUESTION 1 "Look at the SPSS output below. Given a two-tailed test and an alpha of 0.01, what would the appropriate APA-style phrase be?" Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means sig Mean Difference Std. Error Difference 95% Confidence Interval of the Mean Lower Upper sig (2-tailed) TAPSPEED 319 582 -2.845 13 .014 -14.00 4.92 -24.63 -3.37 Equal variances assumed Equal variances not assumed -2.927 11.865 013 -14.00 4.78 -24.44 -3.56 O "t...
QUESTION 12 Using the SPSS output below, which of the following statements is correct? Independent Samples...
QUESTION 12 Using the SPSS output below, which of the following statements is correct? Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean F Sig t df Sig. (2- tailed) Std. Error Difference Difference Lower Upper Equal variances assumed 1.429 280 2.145 10 058 6.00000 2.79682 - 23171 12.23171 Equal variances not 2.145 0.461 050 6.00000 2.79082 - 28015 12.28015 assumed The assumption of homogeneity of variance was...
Scenario for 2-5: Research question: Is there a difference in the infant mortality rates of states...
Scenario for 2-5: Research question: Is there a difference in the infant mortality rates of states above and below the mean income? Use the SPSS output below. Test the mean difference and the assumption of equal variances at the .05 level. Group Statistics N INCGROUP INFMORT Infant mortalit 1.00 below mean rate (per 1000 live births) 2.00 above moar 28 23 Mean 7.9464 6.7435 Std. Deviation 2.0224 1.1878 Std. Error Mean .3822 .2477 Levene's Test for Equality of Variances P-test...
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...
2. Look at the Independent samples t-test table to get your t calculated, df, and significance....
2. Look at the Independent samples t-test table to get your t
calculated, df, and significance. Read the line that says “equal
variances assumed”. Remember that significance level will appear in
the Sig (2-tailed) column. Any value that is smaller than .05 will
be significant at the .05 level or higher. In a sentence describe
the results and report them in APA style, including r2
and evaluation (you will need to calculate r2 by
hand).
3. What type of error...
You are interested in the effects of witnessing sexual victimization in prison on trauma symptoms. You...
You are interested in the effects of witnessing sexual victimization in prison on trauma symptoms. You asked prisoners if they have ever witnessed another prisoner be sexually assaulted (measured no/yes). You also administer the Trauma Symptoms Checklist (TSC) scale, which has a maximum score of 90 (higher scores equal more trauma symptoms experienced). You hypothesize that prisoners who did not witness sexual victimization will have lower TSC score than prisoners who did witness sexual victimization. Below are the data that...
Scenario for 2-5: Research question: Is there a difference in the infant mortality rates of states...
Scenario for 2-5: Research question: Is there a difference in the infant mortality rates of states above and below the mean income? Use the SPSS output below. Test the mean difference and the assumption of equal variances at the .05 level. Group Statistics N INCGROUP INFMORT Infant mortalit 1.00 below mean rate (per 1000 live births) 2.00 above mear 28 23 Mean 7.9464 6.7435 Std. Deviation 2.0224 1.1878 Std. Error Mean .3822 2477 Lovene's Test for Equality of Variances t-test...
spss output for questions 34, 35 & 36 Group Statistics Gender Mean Std. Deviation Std. Error Mean Loneliness Female 112 35.0000 86394 44 35.0000 7.95335 Independent Samples Test Levene's...
spss output for questions 34, 35 & 36 Group Statistics Gender Mean Std. Deviation Std. Error Mean Loneliness Female 112 35.0000 86394 44 35.0000 7.95335 Independent Samples Test Levene's Test for Equality of Variances Hest for Equality of Means 95% Confdence Interval of the Sig. (2 Mean Std. Emor Ditlerence df taled) Difference DiflerenceLower Upper Sig. Loneliness Equal variances 1021 .0001 1541 10여 .000001100707|-329329 320320 2.7 assumed 091.000 00000 151867301416 3.01416 Equal variances not assumed 34. For the above SPSS...
I need some assistance on an SPSS assignment. My profession literally never teachers so I'm really...
I need some assistance on an SPSS assignment. My profession literally never teachers so I'm really lost. All I have a confusing textbook to try to self teach myself. 0.5 pts.) Calculated. Use the provided formula as the two groups have a different sample size. Show me all the steps you follow to get d so that I can give you a partial credit when your answer is incorrect. d= t ( n1 + n2/ square root of df...
Do males and females have significant different GPAs? Following is the output of analysis for 26...
Do males and females have significant different GPAs? Following is
the output of analysis for 26 males and 25 females.
1. Which of the following statements are true regarding
Levene’s F-test using a .05 level of significance?
a. Means are significantly different
b. Means are not significantly different
c. Variances are significantly different
d.Variances are not significantly different
2. From the chart above, what is the correct t-value, df, and Sig.
used for the t-test:
a. t(49)=0.326, p>0.05
b.t(49)=0.330, p>0.05...
QUESTION 1 "Look at the SPSS output below. Given a two-tailed test and an alpha of 0.01, what would the appropriate APA-style phrase be?" Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means sig Mean Difference Std. Error Difference 95% Confidence Interval of the Mean Lower Upper sig (2-tailed) TAPSPEED 319 582 -2.845 13 .014 -14.00 4.92 -24.63 -3.37 Equal variances assumed Equal variances not assumed -2.927 11.865 013 -14.00 4.78 -24.44 -3.56 O "t...
QUESTION 12 Using the SPSS output below, which of the following statements is correct? Independent Samples Test Levene's Test for Equality of Variances t-test for Equality of Means 95% Confidence Interval of the Difference Mean F Sig t df Sig. (2- tailed) Std. Error Difference Difference Lower Upper Equal variances assumed 1.429 280 2.145 10 058 6.00000 2.79682 - 23171 12.23171 Equal variances not 2.145 0.461 050 6.00000 2.79082 - 28015 12.28015 assumed The assumption of homogeneity of variance was...
Scenario for 2-5: Research question: Is there a difference in the infant mortality rates of states above and below the mean income? Use the SPSS output below. Test the mean difference and the assumption of equal variances at the .05 level. Group Statistics N INCGROUP INFMORT Infant mortalit 1.00 below mean rate (per 1000 live births) 2.00 above moar 28 23 Mean 7.9464 6.7435 Std. Deviation 2.0224 1.1878 Std. Error Mean .3822 .2477 Levene's Test for Equality of Variances P-test...
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...
2. Look at the Independent samples t-test table to get your t
calculated, df, and significance. Read the line that says “equal
variances assumed”. Remember that significance level will appear in
the Sig (2-tailed) column. Any value that is smaller than .05 will
be significant at the .05 level or higher. In a sentence describe
the results and report them in APA style, including r2
and evaluation (you will need to calculate r2 by
hand).
3. What type of error...
Scenario for 2-5: Research question: Is there a difference in the infant mortality rates of states above and below the mean income? Use the SPSS output below. Test the mean difference and the assumption of equal variances at the .05 level. Group Statistics N INCGROUP INFMORT Infant mortalit 1.00 below mean rate (per 1000 live births) 2.00 above mear 28 23 Mean 7.9464 6.7435 Std. Deviation 2.0224 1.1878 Std. Error Mean .3822 2477 Lovene's Test for Equality of Variances t-test...
spss output for questions 34, 35 & 36 Group Statistics Gender Mean Std. Deviation Std. Error Mean Loneliness Female 112 35.0000 86394 44 35.0000 7.95335 Independent Samples Test Levene's Test for Equality of Variances Hest for Equality of Means 95% Confdence Interval of the Sig. (2 Mean Std. Emor Ditlerence df taled) Difference DiflerenceLower Upper Sig. Loneliness Equal variances 1021 .0001 1541 10여 .000001100707|-329329 320320 2.7 assumed 091.000 00000 151867301416 3.01416 Equal variances not assumed 34. For the above SPSS...
Do males and females have significant different GPAs? Following is
the output of analysis for 26 males and 25 females.
1. Which of the following statements are true regarding
Levene’s F-test using a .05 level of significance?
a. Means are significantly different
b. Means are not significantly different
c. Variances are significantly different
d.Variances are not significantly different
2. From the chart above, what is the correct t-value, df, and Sig.
used for the t-test:
a. t(49)=0.326, p>0.05
b.t(49)=0.330, p>0.05...
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