Exam 7: Sampling

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Although simple random sampling is the simplest of the probability-based sampling procedures,it is not used in marketing research projects as much as other sampling methods,because of a higher probability of non-sampling error.

(True/False)
4.9/5
(88)

In single-stage sampling

(Multiple Choice)
4.8/5
(74)

The population mean of a continuous variable is denoted by which of the following symbols?

(Multiple Choice)
4.9/5
(83)

In _______________ sampling,the researcher selects every kth element in the frame,after a random start somewhere within the first k elements.

(Multiple Choice)
4.9/5
(80)

Degrees of freedom is the

(Multiple Choice)
4.8/5
(85)

For the following values,calculate the mean,variance,and standard deviation. Data: 6,8,9,12,15

(Essay)
4.8/5
(69)

The square root of the sample variance is

(Multiple Choice)
5.0/5
(76)

A three-stage sampling process would require

(Multiple Choice)
4.9/5
(87)

The size of a sample does not necessarily indicate a better study and more accurate results.

(True/False)
4.9/5
(66)

If a researcher wants to improve the precision of a statistic by one decimal point,the sample size would have to increase by _______________ times.

(Multiple Choice)
4.9/5
(73)

Systematic sampling is often used in practice because selecting a systematic sample is easy and inexpensive.

(True/False)
4.8/5
(86)

With probability sampling,each element of the population

(Multiple Choice)
4.9/5
(72)

A(n)_______________ is the unit about which we seek information,and it provides the basis of the analysis that marketing researchers undertake.

(Multiple Choice)
4.9/5
(70)

If the groups developed in cluster sampling are exactly as heterogeneous as the population,then the standard error of the cluster sample will be less than that of simple random sampling.

(True/False)
4.8/5
(75)

If a quota sample has 3 control characteristics,each of which has 2 categories,the total number of sampling cells required would be

(Multiple Choice)
4.8/5
(80)

A small value for the coefficient of variation would indicate a relatively homogenous population and that most data points are close to the mean.

(True/False)
4.8/5
(79)

Researching with a full census of the population is always more accurate than using only a sample of that population.

(True/False)
4.9/5
(88)

The situation where a researcher directly selects groups and then uses all of the elements in the groups is called

(Multiple Choice)
5.0/5
(72)

The first step of sampling is to define the population.The second step is to

(Multiple Choice)
4.8/5
(74)

In practice,the purpose of a sample parameter is to estimate a population statistic.

(True/False)
4.8/5
(65)
Showing 21 - 40 of 75
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)