Independent Sample t Test
Not what you're looking for?
Pooled-Variances t-Test for (µ1 - µ2), Population Variances Unknown but
Assumed Equal
t-Test: Two-Sample Assuming Equal Variances
Format 1 Format 2
Mean 6 8.166666667
Variance 9.777777778 11.06060606
Observations 10 12
Pooled Variance 10.48333333
Hypothesized Mean Difference 0
df 20
t Stat -1.562865798
P(T<=t) one-tail 0.066884748
t Critical one-tail 1.724718218
P(T<=t) two-tail 0.133769496
t Critical two-tail 2.085963441
Format 1 Format 2
11 10
8 11
8 9
3 7
7 2
5 11
9 12
5 3
1 6
3 7
8
12
See attached file - Pooled-Variances t-Test
(11.1 - Module 7)
Purchase this Solution
Solution Summary
The solution provides step by step method for the calculation of testing of hypothesis. Formula for the calculation and Interpretations of the results are also included. Interactive excel sheet is included. The user can edit the inputs and obtain the complete results for a new set of data.
Solution Preview
Please see the attachments.
Answer
The null hypothesis tested is
H0: µ1= µ2
The alternative hypothesis is
H1: µ1≠ µ2
The test statistic used is
Where
Rejection criteria: Reject the null hypothesis, if the calculated value of is greater than the critical value of t at the ...
Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.