Purchase Solution

# Raw Score

Not what you're looking for?

Details: 1. What is the between a raw score of 113 and 126 in a normal distribution with a mean of 100 and a standard deviation of 10? Find the area below and under the score of 135.

2. Test null hypothesis that urban and rural residents both have the same attitude toward gun control(data1). Group 1 is a group of the urban residents; group 2 is a group of the rural residents. set type I error rate at .05.

3. For data 2 make a conclusion as to whether there was a change in tons of paper used as a function of the recycling program in 25 different districts. Test the hypothesis at the .01 level. (Before and after become the two levels of treatment.)

4. Using data 3, compute the correlation between motivation and GPA. Test for the significance of the correlation coefficient at the .05 level using a two-tailed test.

Data 1 Data 2 Data 3
Resident attitude Pretest post test Motivation GPA
1 6.5 1 20 23 1 3.4
2 7.9 2 6 8 6 3.4
2 4.3 3 12 11 2 2.5
2 6.8 4 34 35 7 3.1
1 9.9 5 55 57 5 2.8
1 6.8 6 43 76 4 2.6
1 4.8 7 54 54 3 2.1
2 6.5 8 24 26 1 1.6
2 3.3 9 33 35 8 3.1
1 4 10 21 26 6 2.6
2 13.17 11 34 29 5 3.2
1 5.26 12 33 31 6 3.1
2 9.25 13 54 56 5 3.2
1 8 14 23 22 5 2.7
2 1.25 15 33 35 6 2.8
1 4.23 16 44 41 6 2.6
1 6.95 17 65 56 7 2.5
2 6.74 18 43 34 7 2.8
1 5.96 19 53 51 2 1.8
2 5.25 20 22 21 9 3.7
2 2.36 21 34 31 8 3.1
1 9.25 22 32 33 8 2.5
1 6.36 23 44 38 7 2.4
1 8.99 24 17 15 6 2.1
1 5.58 25 28 27 9 4
2 4.25 7 3.9
1 6.6 8 3.1
2 1 7 3.3
1 5 8 3
2 3.5 9 2.

##### Solution Summary

The solution determines the raw score and provides step-by-step details of how to arrive at the answer.

##### Free BrainMass Quizzes

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.