1.State your null and alternative hypotheses.

2. Is this a one or two-tailed hypotheses? Explain.

3. Calculate the appropriate statistical test. Be sure to include measures of central tendency and variability in your analysis/writeup.

4. Can you reject the null hypothesis? Why or why not?

5. Include the descriptive statistics, type of statistical test, and results of the tests, with effect sizes and confidence intervals.

For the bellow analysis

NPar Tests

Descriptive Statistics

N

Mean

Std. Deviation

Minimum

Maximum

Building material

70

2.24

.806

1

3

Chi-Square Test

Frequencies

Building material

Observed N

Expected N

Residual

Straw

16

23.3

-7.3

Sticks

21

23.3

-2.3

Brick and Mortar

33

23.3

9.7

Total

70

Test Statistics

Building material

Chi-Square

6.543^a

df

2

Asymp. Sig.

.038

a. 0 cells (0.0%) have expected frequencies less than 5. The minimum expected cell frequency is 23.3.

Nonparametric Tests

Hypothesis Test Summary

Null Hypothesis

Test

Sig.

Decision

1

The categories of Building material occur with equal probabilities.

One-Sample Chi-Square Test

.038

Reject the null hypothesis.

Asymptotic significances are displayed. The significance level is .050.

One-Sample Chi-Square Test

Building material

One-Sample Chi-Square Test Summary

Total N

70

Test Statistic

6.543^a

Degree Of Freedom

2

Asymptotic Sig.(2-sided test)

.038

a. There are 0 cells (0%) with expected values less than 5. The minimum expected value is 23.333.