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MKT 3356 Chapter 13 Multiple Choice
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Terms in this set (28)
When a researcher wants to estimate national market share based on the results of the test market for a new product in St. Louis and Kansas City, this is an example of _____.
Inferential Statistics
Measures computed from sample data are called _____.
Sample Statistics
A set of data organized by summarizing the number of times a particular value of a variable occurs is referred to as a(n) _____.
Frequency Distribution
_____ is the long-run relative frequency with which an event will occur.
Probability
The percentage of elements that meet some criterion is called a(n) _____.
Proportion
Which of the following refers to the proportion of respondents who choose the most positive choice in a multiple choice question?
Top-Box Score
The arithmetic average of a set of numbers is referred to as the _____.
Mean
The value below which half the values in a distribution fall is the _____.
Median
Which of the following is a measure of dispersion?
Range
Which of the following eliminates the drawback of having the measure of dispersion in squared units rather than in the original measurement units?
Standard Deviation
Which of the following is the symbol for the sample standard deviation?
S
Which of the following is the symbol for the population standard deviation?
beta(sideways b)
The _____ distribution is a symmetrical, bell-shaped distribution that describes the expected probability distribution of many chance occurrences.
Normal
One of the most common probability distributions in statistics is the _____ distribution.
Normal
All of the following are characteristics of the standardized normal distribution EXCEPT _____.
has a mean of 1 and a standard deviation of 0.
A frequency distribution of the population elements is called a _____.
Population Distribution
A frequency distribution of a sample is called a(n) _____.
Sample Distribution
Which of the following represents the standard deviation of the sampling distribution?
Standard Error of the Mean
Which theory states that as sample size increases, the distribution of sample means of size n, randomly selected, approaches a normal distribution?
Central-Limit Theorem
An estimate of the population mean in the form of a single value, usually the sample mean, is called a _____.
Point Estimate
In statistical terms, ______ the sample size ______ the width of the confidence interval about the mean at a given confidence level.
increasing; decreases
Which of the following is a step in determining sample size?
all of these choices
The confidence interval for a proportion uses which of the following formulas?
p ±ZSp
If 35 percent of TV viewers recalled seeing an ad for a Toyota Prius on a particular television program based on a sample of 800 viewers, the 95 percent confidence interval for this study would be between approximately _____.
32 percent and 38 percent
If the sample standard deviation is 10.5 and the sample mean is 48 based on a study with a sample size of 120, the 95 percent confidence interval about the mean is between approximately _____.
46.12 and 49.88
If the population mean is assumed to be 20 and the sample standard deviation is 5, a score of 15 would have a Z-value of _____.
-1.00
Find the approximate standard deviation of the following set of scores: 3, 6, 2, 7, 8 .
2.59
If the average units produced in a month by a Ford Motor Co. plant for Ford Explorers is 22, but only 18 Explorers are produced on a given day in that same month, the deviation score for this one day is _____.
-4
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