Question

1. In attempting to estimate the amount of money which members of a target market segment spend yearly on toothpaste, a researcher wants to use a Z-value of 1.96 and an error of $0.50. If past research studies have found that the standard deviation for this type of study on this target market segment has been approximately $2.34, approximately what sample size should the researcher use in this study?

Select one:

a. 64

b. 123

c. 85

d. None of the above

2.

When determining sample size, the heterogeneity of the population is estimated with:

Select one:

a. the confidence interval.

b. the confidence level.

c. level of statistical significance

d. the standard deviation of the sample

3.

When the Z-value is 1.96 and p = .40, the sample size needed so that the error will be plus or minus 3 percent will be approximately:

Select one:

a. 936.

b. 812.

c. The data is not sufficient enough to determine the correct answer.

d. 1,025.

Which of the following is NOT a measure of central tendency?

Select one:

a. Mode

b. Median

c. Mean

d. Range

Answer #1

1) Margin of error = 0.5

Option - C is correct

2) Option - a) the confidence interval.

3) Margin of error = 0.03

Option - d is correct

4) Option - d) Range

1. To estimate the standard error of the mean, a survey
researcher will:
Select one:
a. take the square root of the sample standard deviation.
b. none of the above.
c. multiply the sample standard deviation times the square root
of the sample size.
d. divide the sample standard deviation by the square root of
sample size.
2. Suppose that a business researcher is attempting to estimate
the amount that members of a target market segment spend annually
on detergent...

Q.5. Companies which are on the same segment have
adopted:
A. The same positioning
B. The same targeting
C. Identical segmentation
D. All these answers
Q.6. Analysing market is:
A. Study, evaluate, and then understand the needs, behaviors
and expectations of targeted consumers
B. Understanding the market structure, its potential, its
evolution in volume and value over the past year in order to
identify future trends
C. The actions that aim absolutely to meet the needs of the
intended customers...

PLEASE ANSWER ALL QUESTIONS
1. The number of new customers per day has typically averaged
8.1 per day at a fitness center for many years. The standard
deviation has been 1.8. After the executive director raises
concerns that the number of new clients is declining, Derek takes a
sample of the most recent 36 days and finds that the mean is 7.8
new customers.
What is the standard error of the mean?
Select one:
a. 0.1
b. 0.3
c. 1.3...

In order to estimate the average time high school students are
currently spending on social media, data were collected from a
sample of 81 students over a one-week period. Based on prior
studies, the population standard deviation can be assumed to be 1.2
hours.
With a .95 probability, what is the margin of error
(approximately)?
Select one:
a. .26
b. 1.64
c. .21
d. 1.96

A market researcher wishes to estimate the proportion of
customers who would prefer a change in packaging of their product.
He wishes to have 90% confidence that his prediction is correct to
within ± .04 of the population proportion. What sample size is
needed?
a. 423
b. 258
c. 17
d. 349

In 2012, a survey of 102 homes in a region found that 58 had
overestimated market values. Suppose you want to estimate the true
proportion of homes in this region with market values that are
overestimated.
1. Here the population of interest is:
a. proportion of home with overestimated market value
b. all homes in the region
c. 102 homes whose market values were surveyed
d. 58 homes with overestimated market value
2. Here the sample is:
a. all homes...

1. Which of the following statements is NOT correct?
Select one:
a. Money market transactions are seldom below $1 million.
b. Money market securities have short-term maturities.
c. Money markets are operated by dealers.
d. Money markets securities are issued to finance long-term
projects
2.
Which of the following cannot manage the operations of the
business?
Select one:
a. None of the options.
b. A sole trader.
c. A limited partner.
d. A general partner.
3.
The financial market where...

Quota sampling:
Select one:
a. involves taking a stratified sample in which the number of
sampling units drawn from each stratum is in proportion to the
relative population size of that stratum
b. ensures that certain characteristics of a population sample
will be represented to the exact extent that the researcher
desires.
c. obtains units or people who are most conveniently
available.
d. selects an initial starting point by a random process, and
then selects every nth number on the...

5. How heavy are the backpacks carried by college students? To
estimate the weight of
backpacks carried by college students, a researcher weighs the
backpacks from a random
sample of 58 college students. The average backpack weight
ends up being 15.7 pounds,
with a standard deviation of 2.4 pounds. If you use this data
to construct a 90% confidence
interval, what will the margin of error be for this interval?
Try not to do a lot of
intermediate rounding until...

1. When constructing a confidence interval to estimate a
population proportion, what affects the size of the margin of
error?
A. The sample size
B. The sample proportion
C. The confidence level
D. All of the above affect the size of the margin of error
E. None of the above affect the size of the margin of error
2. What percentage of couples meet through online dating
apps? A survey of a random sample of couples finds that 12% say...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 4 minutes ago

asked 6 minutes ago

asked 8 minutes ago

asked 12 minutes ago

asked 19 minutes ago

asked 31 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago