Preview

example of spss t test

Satisfactory Essays
Open Document
Open Document
522 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
example of spss t test
One-Sample Statistics

N
Mean
Std. Deviation
Std. Error Mean
Number of hours worked last week
1497
45.63
10.632
.275

The respondents worked more than 40 hours per week. (mean=45.63, SD=10.63). The difference was significant (t=20.48, p<.001)The 95% confidence interval of the difference was between 5.09 and 6.17.

Group Statistics

Respondent's sex
N
Mean
Std. Deviation
Std. Error Mean
Hours per day watching TV
Male
382
3.01
2.648
.135

Female
524
3.00
2.497
.109

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
Hours per day watching TV
Equal variances assumed
.221
.638
.068
904
.946
.012
.172
-.327
.350

Equal variances not assumed

.067
792.603
.947
.012
.174
-.330
.353

There is no significant difference between male(mean=3.01, SD=2.65)and female(mean=3.00, SD=2.50) in watching TV(t=0.07,p=.946).

RATE JOB DONE: CJ SYSTEM OVERALL * RATE JOB DONE: VT'S JUDGES OVERALL Crosstabulation

RATE JOB DONE: VT'S JUDGES OVERALL
Total

Excellent
Good
Only fair
Poor

RATE JOB DONE: CJ SYSTEM OVERALL
Excellent
Count
10
6
3
0
19

% within RATE JOB DONE: VT'S JUDGES OVERALL
27.0%
2.2%
1.5%
0.0%
3.4%

Good
Count
20
172
54
4
250

% within RATE JOB DONE: VT'S JUDGES OVERALL
54.1%
62.3%
27.7%
7.7%
44.6%

Only fair
Count
7
88
117
17
229

% within RATE JOB DONE: VT'S JUDGES OVERALL
18.9%
31.9%
60.0%
32.7%
40.9%

Poor
Count
0
10
21
31
62

% within RATE JOB DONE: VT'S JUDGES OVERALL
0.0%
3.6%
10.8%
59.6%
11.1%
Total
Count
37
276
195
52
560

% within RATE JOB DONE: VT'S JUDGES OVERALL
100.0%
100.0%
100.0%
100.0%
100.0%

Chi-Square Tests

Value df Asymp. Sig. (2-sided)
Pearson Chi-Square
271.101a
9
.000
Likelihood Ratio
196.566
9
.000
Linear-by-Linear Association
153.302
1
.000
N of Valid Cases
560

a. 3 cells (18.8%) have expected count less than 5. The minimum expected count is 1.26.

Directional

You May Also Find These Documents Helpful

  • Satisfactory Essays

    Nt1310 Unit 3 Assignment

    • 642 Words
    • 3 Pages

    g. The sample means does not differ significantly because the p value is higher than 0.05…

    • 642 Words
    • 3 Pages
    Satisfactory Essays
  • Satisfactory Essays

    σA = 0.3 × (0.07)2 + 0.4 × (0.06)2 + 0.3 × (0.08)2 − (0.021)2 = 0.004389,…

    • 1969 Words
    • 14 Pages
    Satisfactory Essays
  • Good Essays

    DSCI 3710

    • 772 Words
    • 4 Pages

    P = .118 > 0.05  Accept; there is no significant relationship between “how old people are” and “their ability to find time during the day to donate blood”…

    • 772 Words
    • 4 Pages
    Good Essays
  • Satisfactory Essays

    3. The researchers stated that the participants in the intervention group reported a reduction in mobility difficulty at week 12. Was this result statistically significant, and if so at what probability?…

    • 619 Words
    • 3 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Book Exercises 11 And 16

    • 1440 Words
    • 5 Pages

    The distribution of scores was similar for the experimental and control groups for length of labor. The experimental group had a mean of 14.63 hours and the control group had a mean of 12.79 hours which is a difference of less than 2 hours with a SD of 7.78 for experimental and 7.2 for control.…

    • 1440 Words
    • 5 Pages
    Satisfactory Essays
  • Better Essays

    “4. Were the distributions of scores similar for the experimental and control groups for the length of labor? Provide a rationale for your answer.”…

    • 485 Words
    • 3 Pages
    Better Essays
  • Good Essays

    There is a normal distribution of the data with ranges in size from size 5 to size 14 amongst the participants. With these ranges, the mean is 9.142, with a standard deviation of 2.583 and a variance of 6.670. Appendix B: Male vs. Female data sets, show the mean, standard deviation and variance for both of these sets respectively. Female data sets have a mean of 7.111, standard deviation of 1.131, and a variance of 1.281 whereas the males have a mean of 11.294, a standard deviation of 1.803, and a variance of 3.251. The T-test was applied to these two data sets to obtain a result of (2-tailed): 1.4964E-09. Since both of the data sets (females and males) each have less than 30 samples, the t-Test was chosen. Assuming equal…

    • 940 Words
    • 3 Pages
    Good Essays
  • Better Essays

    Math 533

    • 2101 Words
    • 9 Pages

    I will analyze the speculated data listed above by performing hypothesis test for each of the above situations (using the Seven elements of a Test Hypothesis with a=.05) in order to see if there is evidence to support my manager’s beliefs in each case (a-d), explain my conclusion in simple terms, compute the p-value with the interpretation, follow up with computing 95% confidence intervals for each of the variables described in a. to d. along with interpreting these intervals. This paper will also include an Appendix with all the steps in hypothesis testing, as well as the confidence intervals and Minitab output…

    • 2101 Words
    • 9 Pages
    Better Essays
  • Satisfactory Essays

    Marketing Hw

    • 1134 Words
    • 5 Pages

    Consider the ski resort satisfaction data we used in class (“satisfaction.sav” in Week 7 folder). This is data based on a survey of 500 users of a ski resort. In class we did part of the analysis. In this question you will be asked to redo some of the analysis and complete the rest. For part a), b) and c), write down your null and alternative hypotheses and then discuss the hypothesis testing results based on SPSS output. Please show your SPSS output for part a), b), and c).…

    • 1134 Words
    • 5 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Exercise 11 and 16

    • 1467 Words
    • 5 Pages

    2. What statistics were used to describe the length of labor in this study? Were these appropriate?…

    • 1467 Words
    • 5 Pages
    Satisfactory Essays
  • Good Essays

    11 16

    • 776 Words
    • 2 Pages

    2) The type of statistics used to describe the length of labor in this study descriptive, this being represented by mean and standard deviation in the data. Yes,these are appropriate as they both can be calculated (varible n=30 and mean=14.63) at the interval level of measurements.…

    • 776 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    2. Using our sample data, we can construct a 95% confidence interval for the population’s mean salary for each gender. Interpret the results. How do they compare with the findings in the week 2 one sample t-test outcomes (Question 1)?…

    • 263 Words
    • 1 Page
    Satisfactory Essays
  • Satisfactory Essays

    Statistics Exercise 11

    • 389 Words
    • 2 Pages

    4. The distribution of scores was similar for the experimental and control groups for length of labor. The experimental group had a mean of 14.63 hours and the control group had a mean of 12.79 hours which is a difference of less than 2 hours with a SD of 7.78 for experimental and 7.2 for control.…

    • 389 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Adf-Realtes

    • 2143 Words
    • 18 Pages

    Topics Distribution of the sample mean. Central Limit Theorem. Confidence intervals for a population mean. Confidence intervals for a population proportion. Sample size for a given confidence level and margin of error (proportions). Poll articles. Hypotheses tests for a mean, and differences in means (independent and paired samples). Sample size and power of a test. Type I and Type II errors. You will be given a table of normal probabilities. You may wish to be familiar with the follow formulae and their application.…

    • 2143 Words
    • 18 Pages
    Good Essays
  • Good Essays

    Your idea of fulfilling work is to motivate and guide co-workers to achieve their best and to reach common goals in their work by functioning in harmony. You are the sort of person who simply enjoys watching people grow and develop. You are commonly described as patient and encouraging in your dealings with people and a determined self-starter in your own motivation. Since you have a natural ability for inspiring top performances, there’s usually little turnover among your employees, and staff relations are harmonious. At times, however, you may be too soft on people or overly patient when their performance lags. Where people are concerned, you may be too quick to let emotions get in the way of business judgments. Overall, you’re the visionary type, not the day-to-day grinder.…

    • 721 Words
    • 3 Pages
    Good Essays