**Use the table below to answer the following questions:**

FREQUENCY | PERCENT | VALID PERCENT | CUMULATIVE PERCENT | ||

Valid | Protestant
Catholic Jewish None Other |
953
333 31 140 35 |
63.5
22.2 2.1 9.3 2.3 |
63.9
22.3 2.1 9.4 2.3 |
63.9
86.2 88.3 97.7 100.0 |

Missing | Total
DK NA |
1492
1 7 |
99.5
.1 .5 |
100.0 | |

Total | Total | 8
1500 |
.5
100.0 |

1) How many respondents did not provide data?

2) What percentage of respondents is protestant?

3) How many of the respondents are protestant?

4) What proportion of respondents is catholic?

**Use the table below to answer the following questions:**

How Do You Get to Class?
Car Public transportation Walk Bike Other |
37 18 28 12 20 |

Total | 115 |

5) How many respondents provided data for this table?

6) What percent of respondents either bike or walk?

*– Use the frequencies in the table below to fill in the percent, valid percent, and cumulative percent columns. Then use the table to answer the following questions*

**THINK OF SELF AS LIBERAL OR CONSERVATIVE**

FREQUENCY | PERCENT | VALID PERCENT | CUMULATIVE PERCENT | ||

Valid | Extremely Liberal
Liberal Slightly Liberal Moderate Slightly Conservative Conservative Extremely Conservative |
139
524 517 1683 618 685 167 |
|||

Missing | Total
DK NA |
4333
154 23 |
|||

Total | 177
4510 |
100.0 |

7) Is this variable nominal, ordinal, or interval/ratio?

8) What percent of respondents are either slightly conservative or slightly liberal?

*Construct a frequency table using the data below. Then use the table to answer the following questions.*

**How often do you use the library?**

Daily
Several times a week Weekly Daily Never |
Several times a week
Daily Daily Several times a week Weekly |
Weekly
Several times a week Never Several times a week Several times a week |
Daily
Monthly Several times a week Several times a week Monthly |
Several times a week
Never Several time a week Daily Weekly |

9) How many attributes does this variable have?

10) How many respondents use the library on a daily basis

11) What percent of respondents use the library more often than monthly?

12) What proportion of respondents are married?

**EXERSICE 2:**

1) Calculate the median for the following raw data set:

3,6,2,4,3,5,4,7,4,2

2) Calculate the Mode and mean for the following raw data set:

9,6,5,5,10,7,3,5,6,15,8,9,10,2,3,11,4,6,7,13,10,5,6,6,3,9,

12

**3) Calculate the median of the following frequency table (If the measure doesn’t apply, indicate so by answering “not applicable”):**

**Labor force status**

FREQUENCY | PERCENT | VALID PERCENT | CUMULATIVE PERCENT | ||

Valid | Working full time
Working part time Temp not working Unempl, laid off Retired School Keeping House Other |
2321
440 84 143 712 139 490 177 |
51.5
9.8 1.9 3.2 15.8 3.1 10.9 3.9 |
51.5
9.8 1.9 3.2 15.8 3.1 10.9 3.9 |
51.5
61.3 63.1 66.3 82.1 85.2 96.1 100.0 |

Missing
Total |
Total
NA |
4506
4 4510 |
99.9
.1 100.0 |
100.0 |

**4) For the table below calculate the Mode and Mean (if a measure doesn’t apply, indicate so by answering “not applicable”):**

**AGE OF RESPONDENT**

FREQUENCY | PERCENT | VALID PERCENT | CUMULATIVE PERCENT | |

VALID 18
19 20 21 22 23 |
19
47 50 52 72 63 |
6.3
15.5 16.5 17.2 23.8 20.8 |
6.3
15.5 16.5 17.2 23.8 20.8 |
6.3
21.8 38.3 55.4 79.2 100.0 |

Total | 303 | 100.0 | 100.0 |

**5)****For the table below:**

a)Explain what happens to the mode if we add an outlier with a very high value.

b) Explain what happens to the median if we add an outlier with a very high value.

c) Explain what happens to the mean if we add an outlier with a very high value.

**Education Spending**

FREQUENCY | PERCENT | VALID PERCENT | CUMULATIVE PERCENT | ||

Valid | Too little
About right Too much |
1111
281 95 |
24.6
6.2 2.1 |
74.7
18.9 6.4 |
74.7
93.6 100.0 |

Missing | Total
NAP DK |
1487
3002 21 |
33.0
66.6 .5 |
100.0 | |

Total | Total | 3023
4510 |
67.0
100.0 |

**6) For the table below calculate the median (if the measure doesn’t apply, indicate so by answering “not applicable”)**

**Improving & Protecting Environment**

FREQUENCY | PERCENT | VALID PERCENT | CUMULATIVE PERCENT | ||

Valid | Too little
About right Too much |
506
178 37 |
33.7
11.9 2.5 |
70.2
24.7 5.1 |
70.2
94.9 100.0 |

Missing | Total
NAP DK NA |
721
752 22 5 |
48.1
50.1 1.5 .3 |
100.0 | |

Total | Total | 779
1500 |
51.9
100.0 |