Descriptive Statistics Essay

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The third homework

Question 1: Explain the difference of Mobile Contents Use by gender

Crosstabs
Case Processing Summary |
| Cases |
| Valid | Missing | Total |
| N | Percent | N | Percent | N | Percent |
Sex * Music | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * Movie | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * DMB | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * Phone Decorating | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * Sport | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * Game | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * MMS | 300 | 100.0% | 0 | .0% | 300 | 100.0% |
Sex * ...view middle of the document...

609 | 1 | .435 | | |
N of Valid Cases | 300 | | | | |
a. 0 cells (.0%) have expected count less than 5. The minimum expected count is 52.27.b. Computed only for a 2x2 table |
Hypothesis：There is no difference in the use of Mobile Music by gender
Analysis：According to the Asymp.Sig.(Pearson Chi-Square),
1-0.434=0.566=56.6%<90%, there is no difference.

Sex * Movie
Crosstab |
| Movie | Total |
| 0 | 1 | |
Sex | 1 | Count | 142 | 46 | 188 |
| | % within Sex | 75.5% | 24.5% | 100.0% |
| | % within Movie | 61.7% | 65.7% | 62.7% |
| 2 | Count | 88 | 24 | 112 |
| | % within Sex | 78.6% | 21.4% | 100.0% |
| | % within Movie | 38.3% | 34.3% | 37.3% |
Total | Count | 230 | 70 | 300 |
| % within Sex | 76.7% | 23.3% | 100.0% |
| % within Movie | 100.0% | 100.0% | 100.0% |

Chi-Square Tests |
| Value | df | Asymp. Sig. (2-sided) | Exact Sig. (2-sided) | Exact Sig. (1-sided) |
Pearson Chi-Square | .362a | 1 | .547 | | |
Continuity Correctionb | .212 | 1 | .645 | | |
Likelihood Ratio | .365 | 1 | .545 | | |
Fisher's Exact Test | | | | .575 | .324 |
Linear-by-Linear Association | .361 | 1 | .548 | | |
N of Valid Cases | 300 | | | | |
a. 0 cells (.0%) have expected count less than 5. The minimum expected count is 26.13.b. Computed only for a 2x2 table |
Hypothesis：There is no difference in the use of Mobile Movie by gender
Analysis：According to the Asymp.Sig.(Pearson Chi-Square),
1-0.547=0.453=45.3%<90%, there is no difference.

Sex * DMB
Crosstab |
| DMB | Total |
| 0 | 1 | |
Sex | 1 | Count | 159 | 29 | 188 |
| | % within Sex | 84.6% | 15.4% | 100.0% |
| | % within DMB | 62.1% | 65.9% | 62.7% |
| 2 | Count | 97 | 15 | 112 |
| | % within Sex | 86.6% | 13.4% | 100.0% |
| | % within DMB | 37.9% | 34.1% | 37.3% |
Total | Count | 256 | 44 | 300 |
| % within Sex | 85.3% | 14.7% | 100.0% |
| % within DMB | 100.0% | 100.0% | 100.0% |

Chi-Square Tests |
| Value | df | Asymp. Sig. (2-sided) | Exact Sig. (2-sided) | Exact Sig. (1-sided) |
Pearson Chi-Square | .232a | 1 | .630 | | |
Continuity Correctionb | .098 | 1 | .755 | | |
Likelihood Ratio | .234 | 1 | .628 | | |
Fisher's Exact Test | | | | .736 | .381 |
Linear-by-Linear Association | .231 | 1 | .631 | | |
N of Valid Cases | 300 | | | | |
a. 0 cells (.0%) have expected count less than 5. The minimum expected count is 16.43.b. Computed only for a 2x2 table |
Hypothesis：There is no difference in the use of Mobile DMB by gender
Analysis：According to the Asymp.Sig.(Pearson Chi-Square),
1-0.630=0.370=37%<90%, there is no difference.

Sex * Phone Decorating

Crosstab |
| Phone Decorating | Total |
| 0 | 1 | |
Sex | 1 | Count | 127 | 61 | 188 |
| | % within Sex | 67.6% | 32.4% | 100.0% |
| | % within Phone Decorating | 75.6% | 46.2% | 62.7% |
| 2 | Count | 41 | 71 | 112 |
| | % within Sex | 36.6% | 63.4% | 100.0% |
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