Dataset: NES2004A_Student, Variables: enviro_therm, age] The results of an independent samples t-test are shown below. Are older people (those 30 or older) less sympathetic to the environmental movement than younger people (those younger than 30)?  Or do younger people and older people not differ significantly in their feelings toward environmentalists?  Using the SPSS results, test your hypothesis. Table 3: Group Statistics   Respondent age N Mean Std. Deviation Std. Error Mean Feeling Thermometer: environmentalists >= 30 838 65.99 20.268 .700 < 30 205 66.20 19.923 1.391   Table 4: Independent Sample Test   Levene's Test for Equality of Variance t-test for Equality of Means F Sig. t df Sig. Mean Difference Feeling Thermometer: environmentalists Equal variances assumed .095 .758 -.132 1041 .895 -.208 Equal variances not assumed     -.134 315.445 .894 -.208 Formulate a null and research hypothesis. Determine the level of significance. Based on the results of Levene’s test, find the proper t test statistic. Compare the test statistic to the critical value. Compare the p-value to the level of significance. Reject or do not reject the null hypothesis What is your conclusion?

Dataset: NES2004A_Student, Variables: enviro_therm, age] The results of an independent samples t-test are shown below. Are older people (those 30 or older) less sympathetic to the environmental movement than younger people (those younger than 30)?  Or do younger people and older people not differ significantly in their feelings toward environmentalists?  Using the SPSS results, test your hypothesis.

Table 3: Group Statistics

 

Respondent age

N

Mean

Std. Deviation

Std. Error Mean

Feeling Thermometer: environmentalists

>= 30

838

65.99

20.268

.700

< 30

205

66.20

19.923

1.391

 

Table 4: Independent Sample Test

 

Levene’s Test for Equality of Variance

t-test for Equality of Means

F

Sig.

t

df

Sig.

Mean Difference

Feeling Thermometer: environmentalists

Equal variances assumed

.095

.758

-.132

1041

.895

-.208

Equal variances not assumed

 

 

-.134

315.445

.894

-.208

    1. Formulate a null and research hypothesis.
    2. Determine the level of significance.
    3. Based on the results of Levene’s test, find the proper t test statistic.
    4. Compare the test statistic to the critical value.
    5. Compare the p-value to the level of significance.
    6. Reject or do not reject the null hypothesis
    7. What is your conclusion?
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