Table 2.2 \(\begin{array}{|l|l|l|} \hline \text {TABLE 2.2 AGES OF}\\ \text {RESPONDENTS}\\ \hline \text { ClassIntervals } & \text { Frequency } & \text { Percentages } \\ \hline 18-23 & 5 & \\ \hline 2429 & 21 & \\ \hline 30-40 & 10 & \\ \hline \text { TOTAL } & 36 & \\ \hline\\ \end{array}\) If we added a cumulative percentage column to Table 2.2 and began our calculations with the 18-23 interval,the entry in the 30-40 interval would be

A) 10%. B) 33.3%. C) 37%. D) 100%. A) 10%. B) 33.3%. C) 37%. D) 100%.

Table 2.2 \(\begin{array}{|l|l|l|} \hline \text {TABLE 2.2 AGES OF}\\ \text {RESPONDENTS}\\ \hline \text { ClassIntervals } & \text { Frequency } & \text { Percentages } \\ \hline 18-23 & 5 & \\ \hline 2429 & 21 & \\ \hline 30-40 & 10 & \\ \hline \text { TOTAL } & 36 & \\ \hline\\ \end{array}\) In Table 2.2,what is the ratio of 30-40 year olds to 18-23 year olds?

A) .24 B) 4.20 C) 2.00 D) 1.00 A) .24 B) 4.20 C) 2.00 D) 1.00

Table 2.2 \(\begin{array}{|l|l|l|} \hline \text {TABLE 2.2 AGES OF}\\ \text {RESPONDENTS}\\ \hline \text { ClassIntervals } & \text { Frequency } & \text { Percentages } \\ \hline 18-23 & 5 & \\ \hline 2429 & 21 & \\ \hline 30-40 & 10 & \\ \hline \text { TOTAL } & 36 & \\ \hline\\ \end{array}\) In Table 2.2,what percentage of cases is in the 18-23 age group?

A) (5/36)´ 100 = 13.51% B) (18/23)´ 100 = 78.26% C) (36/5)´ 100 = 7.4% D) (5/21)´ 100 = 23.81% A) (5/36)´ 100 = 13.51% B) (18/23)´ 100 = 78.26% C) (36/5)´ 100 = 7.4% D) (5/21)´ 100 = 23.81%

Table 2.1 \(\begin{array}{|l|l|l|} \hline \underline { \text { TABLE 2.1 POLITICAL PARTY }}\\ \underline { \text { MEMBERSHIP IN TWO }}\\ \underline { \text { COMMUNITIES}}\\ \hline \text { PARTY: } & \text { COMMUNITY A } & \text { COMMUNITY B } \\ \hline \text { Republican } & 103 & 17 \\ \hline \text { Democrat } & 135 & 21 \\ \hline \text { Independent } & 17 & 15 \\ \hline \text { Socialist } & \underline 9 & \underline {11} \\ \hline \text { TOTALS: } & 264 & 64\\ \hline\\ \end{array}\) In Table 2.1,which community has the higher proportion of Independents?

A) Community A B) Community B C) Neither D) This proportion can't be determined from the information given. A) Community A B) Community B C) Neither D) This proportion can't be determined from the information given.

Exam 2: Basic Descriptive Statistics: Percentages, Ratios and Rates, Tables, Charts and Graphs

The crude birth rate of a city that has 250 births in a year and a population of 7500 would be found by using which of the following?

(Multiple Choice)

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Question 41

Table 2.2 TABLE 2.2 AGES OF RESPONDENTS ClassIntervals Frequency Percentages 18-23 5 2429 21 30-40 10 TOTAL 36 If we added a cumulative percentage column to Table 2.2 and began our calculations with the 18-23 interval,the entry in the 30-40 interval would be

(Multiple Choice)

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Question 42

Table 2.2 TABLE 2.2 AGES OF RESPONDENTS ClassIntervals Frequency Percentages 18-23 5 2429 21 30-40 10 TOTAL 36 In Table 2.2,what is the ratio of 30-40 year olds to 18-23 year olds?

(Multiple Choice)

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Question 43

When constructing frequency distributions for variables measured at the interval-ratio level,approximate interval size (or interval width)can be found by

(Multiple Choice)

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Question 44

You are the dean of students at a college and the president has asked for some information about how the student body has changed over the years.You have collected the following information regarding the number of students in various categories for two different graduating classes: CHARACTERISTICS OF TWO GRADUATING CLASSES 1987 2007 Total in class 345 587 Females 178 301 Married 48 117 Humanities Majors 115 558 Going to Graduate School 78 159 Attended Commencement 99 458 Finished in 4 years 269 325 Received financial aid 159 369 What will you say to the president when she asks: a. What percentage of the graduating class was female in 1987? ___ 2007? _ b. What percentage of the glass was going to graduate school in 2007? _ Has this percentage gone up or down since 1987 and by how much? (Hint: Compute the percentage change to measure the amount of change between the two times.) _ c. What proportion of the graduating class attended the commencement ceremony in 2007? Has this proportion gone up or down since 1987, and by how much? _ d. What proportion of the class majored in the humanities in 1987? _ 2007? _ e. What percent of students received financial aid in 1987? __ 2007? _ f. Relatively speaking, how many student finished in just four years in 1987? _ 2007? _ How has this percentage changed between the two years? _ g. What proportion of students were married in 1987? _ 2007? _____ h. Write a paragraph describing the changes in the graduating classes of 1981 and 2001. What changes seem especially important? Why?

(Essay)

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Question 45

A line chart or frequency polygon is based on

(Multiple Choice)

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Question 46

Forty of every two hundred students attend all of their classes.What percentage of the student body is this?

(Multiple Choice)

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Question 47

A class has 20 men and 10 women.The ratio of women to men is

(Multiple Choice)

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Question 48

The frequency distribution below displays the distribution of age for a sample drawn from a community.Finish the table by completing the columns for percentages,and cumulative percentages. AGE Cumulative Percentage ClassIntervals Frequency Percentage 10-19 9 20-29 17 30-39 45 40-49 56 50-60 23 60-69 10 70-79 8 TOTALS

(Essay)

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Question 49

According to the study presented in the text,which of the following was the most common form of monitoring employees?

(Multiple Choice)

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Question 50

Table 2.2 TABLE 2.2 AGES OF RESPONDENTS ClassIntervals Frequency Percentages 18-23 5 2429 21 30-40 10 TOTAL 36 In Table 2.2,what percentage of cases is in the 18-23 age group?

(Multiple Choice)

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Question 51

The study mentioned in the text shows that monitoring and surveillance of employees

(Multiple Choice)

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Question 52

Table 2.1 PARTY: COMMUNITY A COMMUNITY B Republican 103 17 Democrat 135 21 Independent 17 15 Socialist TOTALS: 264 64 In Table 2.1,which community has the higher proportion of Independents?

(Multiple Choice)

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Question 53

The crude birth rate of a city that has 250 births in a year and a population of 7500 would be found by using which of the following?

Table 2.2 TABLE 2.2 AGES OF RESPONDENTS ClassIntervals Frequency Percentages 18-23 5 2429 21 30-40 10 TOTAL 36 If we added a cumulative percentage column to Table 2.2 and began our calculations with the 18-23 interval,the entry in the 30-40 interval would be

Table 2.2 TABLE 2.2 AGES OF RESPONDENTS ClassIntervals Frequency Percentages 18-23 5 2429 21 30-40 10 TOTAL 36 In Table 2.2,what is the ratio of 30-40 year olds to 18-23 year olds?

When constructing frequency distributions for variables measured at the interval-ratio level,approximate interval size (or interval width)can be found by

A line chart or frequency polygon is based on

Forty of every two hundred students attend all of their classes.What percentage of the student body is this?

A class has 20 men and 10 women.The ratio of women to men is

According to the study presented in the text,which of the following was the most common form of monitoring employees?

Table 2.2 TABLE 2.2 AGES OF RESPONDENTS ClassIntervals Frequency Percentages 18-23 5 2429 21 30-40 10 TOTAL 36 In Table 2.2,what percentage of cases is in the 18-23 age group?

The study mentioned in the text shows that monitoring and surveillance of employees

Table 2.1 PARTY: COMMUNITY A COMMUNITY B Republican 103 17 Democrat 135 21 Independent 17 15 Socialist TOTALS: 264 64 In Table 2.1,which community has the higher proportion of Independents?

Introduction

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics: Sampling and the Sampling Distribution

Estimation Procedures

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Bivariate Association: Introduction and Basic Concepts

Association Between Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters