Question

In: Statistics and Probability

What is the age distribution of adult shoplifters (21 years of age or older) in supermarkets?...

What is the age distribution of adult shoplifters (21 years of age or older) in supermarkets? The following is based on information taken from the National Retail Federation. A random sample of 895 incidents of shoplifting gave the following age distribution. Estimate the mean age, sample variance, and sample standard deviation for the shoplifters. For the class 41 and over, use 45.5 as the class midpoint. (Round your answers to one decimal place.)

Age range (years) 21-30 31-40 41 and over
Number of shoplifters 276 350 269
x =
s2 =
s =

Solutions

Expert Solution

What is the age distribution of adult shoplifters (21 years of age or older) in supermarkets? The following is based on information taken from the National Retail Federation. A random sample of 895 incidents of shoplifting gave the following age distribution. Estimate the mean age, sample variance, and sample standard deviation for the shoplifters. For the class 41 and over, use 45.5 as the class midpoint. (Round your answers to one decimal place.)

Age range (years)

21-30

31-40

41 and over

Number of shoplifters

276

350

269

x

=

35.4

s2

=

61.0

s

=

7.8

x

f

fx

fx.x

25.5

276

7038

179469

35.5

350

12425

441087.5

45.5

269

12239.5

556897.3

Total

895

31702.5

1177454

sd= sqrt(60.9558) =7.807


Related Solutions

GERIATRIC NURSING What are the common age-related changes of respiratory system in older adult?
GERIATRIC NURSING What are the common age-related changes of respiratory system in older adult?
1. what are the common age-related changes of respiratory system in older adult? 2. In selected...
1. what are the common age-related changes of respiratory system in older adult? 2. In selected respiratory conditions: Give nursing management and medication. a. Chronic Obstructive Pulmonary Disease b. Lung cancer c. Pneumonia 3. What self-imposed and environmentally imposed risks to younger adults can contribute to the development of respiratory conditions in later life?
SUBJECT: Gerontological Nursing 1. What are the common age-related changes of respiratory system in older adult?...
SUBJECT: Gerontological Nursing 1. What are the common age-related changes of respiratory system in older adult? 2. In selected respiratory conditions: Give nursing management and medication .a. Chronic Obstructive Pulmonary Disease b. Lung cancer c. Pneumonia 3. What self-imposed and environmentally imposed risks to younger adults can contribute to the development of respiratory conditions in later life?
Discuss the types of losses in the older adult age. Discuss the psychosocial effects of losses...
Discuss the types of losses in the older adult age. Discuss the psychosocial effects of losses in the older adult. Discuss other risks associated with of losses in the older adult. What are the nurse’s role in assessing and monitoring the older adult?
The Age Discrimination in Employment Act mandates that 40 years of age or older be treated...
The Age Discrimination in Employment Act mandates that 40 years of age or older be treated without regard to age in all phases of employment (hiring, promotions, firings, etc.) Age discrimination cases are of two types: disparate treatment and disparate impact. In the former, the issue is whether workers have been intentionally discriminated against. In the latter, the issue is whether employment practices adversely affect the protected class (i.e., Zabell, 1989). During the recession of the early 1990s, a small...
Discuss the Older Adult Age Related Changes to oxygenation and corresponding nursing strategies for them. How...
Discuss the Older Adult Age Related Changes to oxygenation and corresponding nursing strategies for them. How does this relate to you as a nurse?
Pharmacokinetics in relation to the older adult.
Pharmacokinetics in relation to the older adult.
Health assessment on an older adult
Health assessment on an older adult
The marital status distribution of the U.S. male population, age 15 and older, is as shown...
The marital status distribution of the U.S. male population, age 15 and older, is as shown below. Marital Status Percent never married 31.3 married 56.1 widowed 2.5 divorced/separated 10.1 Suppose that a random sample of 400 U.S. young adult males, 18 to 24 years old, yielded the following frequency distribution. We are interested in whether this age group of males fits the distribution of the U.S. adult population at the 5% level. Calculate the frequency one would expect when surveying...
The marital status distribution of the U.S. male population, age 15 and older, is as shown...
The marital status distribution of the U.S. male population, age 15 and older, is as shown below. Marital Status Percent never married 31.3 married 56.1 widowed 2.5 divorced/separated 10.1 Suppose that a random sample of 400 U.S. young adult males, 18 to 24 years old, yielded the following frequency distribution. We are interested in whether this age group of males fits the distribution of the U.S. adult population at the 5% level. Calculate the frequency one would expect when surveying...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT