1. In a pie chart, each piece or segment of the pie is equal to its value compared to the total value of all of the slices.
2. This type of graphical relationship is a series of quantitative values that feature how something changed wi
1. In a graph, axes provide scales that are only categorical and not quantitative, used to label and assign values to visual objects.
2. A pie chart is better to show the sizes of the groups as parts of the whole sample.
You want to test whether the average weight of a specific student population is
different from 140 pounds, which is the projected population student mean. To do
this, you take a representative simple random sample of 22 students weights from a
A survey was administered to a total of 10,000 randomly selected people who live in
North Carolina (Grand Total). The survey was about the quality of life of those living
in the state of North Carolina. One of the questions on the survey is in what city a
Consider the following data for the rainfall precipitation that falls in various US cities for
the months of January, April, July, and October.
Table of Rainfall Precipitation (Inches) for Various US Cities: Stratified by Months
Take a look at the Question #5 on page 106 of the Hannemans Text. Create this
table in excel. In row 1, enter the variable names: State, Year 1996, Year 1997,
and Year 1998. Enter in all of the states under the State variable heading and
enter in all of t
1. Legends are use to link categorical items with the visual attributes that encode them (e.g. color, point shape, etc).
2. A balance must always be maintained between the with of the bars in a bar chart and the white space that separa
1. Exploratory variables or covariates are known as dependent variables.
2. Which of the following best represent the measurement for a nominal variable
a. 1 = small, 2= medium, 3= large, 4= gigantic
*b. 1= white, 2= asian, 3= black, 4
1. Subtracting the lowest score from the highest score in a sample is known as the _.
c. Interquartile Range
d. Central Tendency
2. The interquartile range can be achieved by subtracting _.
a. the 50th percentile from the 75th percen
1. The type II error or alpha level is the probability that the population parameter falls within the defined confidence interval.
2. If the standard deviation of a set of cases in a sample is 14 and the sample size of a simple random
1. There are only two tailed versions of the alternative hypothesis.
2. When the center of the sampling distribution of the statistic falls at zero, we indicate that the _ is true.
a. Alternative hypothesis
*b. Null Hypothesis
1. Which of the follow is generally more sensitive or influenced by extreme values or outlier data.
d. Central Tendency
2. If the mean is higher than the median, the distribution is positively skewed.
1. In a normal distribution the peak of the mode occurs either more to the left or more to the right.
2. The 50th percentile on the box and whisker plot is always known as the mean.
3. The 25th percentile value subt
1. If you were to adjust the mean and standard deviation of a distribution, the distribution can be expressed as a function of the standard normal distribution.
2. If you were to add up all of the proportions related to the area under
1. If a group of individuals took a pre-test and then that same group took a post-test, this sample is known to be an independent.
2. When comparing the means or proportions in two independent samples, you make a null hypothesis and an
Bay City, Oregon
Pigeon Forge, TN
Las Vegas, NV