Question 1

What is the shape of the distribution for the following set of data? $$\begin{array} { l l } 
X & \mathrm { f } \
\hline 5 & 5 \
4 & 3 \
3 & 1 \
2 & 3 \
1 & 5
\end{array}$$

Accepted Answer

A) Symmetrical 
B) Positively skewed 
C) Negatively skewed 
D) Normal 
A) Symmetrical 
B) Positively skewed 
C) Negatively skewed 
D) Normal

Question 2

A biologist records the number of trout,bass,perch,and other types of fish caught in a local lake during a 2-week period.If the results are organized in a frequency distribution table,what values would be listed in the first column?

Accepted Answer

A) Frequencies 
B) Different types of fish 
C) The 14 days 
D) The days of the week 
A) Frequencies 
B) Different types of fish 
C) The 14 days 
D) The days of the week

Question 3

For the following frequency distribution of quiz scores,how many individuals took the quiz? $$\begin{array} { l l } 
\ X & f \
\hline 5 & 6 \
4 & 5 \
3 & 5 \
2 & 3 \
1 & 2
\end{array}$$

Accepted Answer

A) 5 
B) 15 
C) 21 
D) Cannot be determined 
A) 5 
B) 15 
C) 21 
D) Cannot be determined

What is the shape of the distribution for the following set of data? X 5 5 4 3 3 1 2 3 1 5

A biologist records the number of trout,bass,perch,and other types of fish caught in a local lake during a 2-week period.If the results are organized in a frequency distribution table,what values would be listed in the first column?

For the following frequency distribution of quiz scores,how many individuals took the quiz? \ X f 5 6 4 5 3 5 2 3 1 2

Introduction to Statistics.

Central Tendency.

Variability.

z-Scores: Location of Scores and Standardized Distributions.

Probability.

Probability and Samples: The Distribution of Sample Means.

Introduction to Hypothesis Testing.

Introduction to the t Statistic

The t Test for Two Independent Samples

The t Test for Two Related Samples

Introduction to Analysis of Variance

Repeated-Measures and Two-Factor Analysis of Variance

Correlation and Regression.

The Chi-Square Statistic: Tests for Goodness of Fit and Independence

Filters

Exam 2: Frequency Distributions.

What is the shape of the distribution for the following set of data? X 5 5 4 3 3 1 2 3 1 5

A biologist records the number of trout,bass,perch,and other types of fish caught in a local lake during a 2-week period.If the results are organized in a frequency distribution table,what values would be listed in the first column?

For the following frequency distribution of quiz scores,how many individuals took the quiz? \ X f 5 6 4 5 3 5 2 3 1 2

Introduction to Statistics.

Central Tendency.

Variability.

z-Scores: Location of Scores and Standardized Distributions.

Probability.

Probability and Samples: The Distribution of Sample Means.

Introduction to Hypothesis Testing.

Introduction to the t Statistic

The t Test for Two Independent Samples

The t Test for Two Related Samples

Introduction to Analysis of Variance

Repeated-Measures and Two-Factor Analysis of Variance

Correlation and Regression.

The Chi-Square Statistic: Tests for Goodness of Fit and Independence

Filters