Question
In: Statistics and Probability
A) A researcher is interested in knowing the level of job satisfaction among employees in a...
A)
A researcher is interested in knowing the level of job satisfaction among employees in a large company. He measures job satisfaction on a 5-point scale where 1=” Extremely dissatisfied” and 5 = “Extremely satisfied”.
What is the matching description of the variable of interest in this study?
Group of answer choices
a. Quantitative / Discrete
b. Quantitative / Continuous
c. Categorical / Ordinal
d. Categorical / Nominal
B)
What is the most suitable measure of centre for a skewed data set?
Group of answer choices
a. Mean
b. Standard Deviation
c. IQR
d. Median
C)
For a particular data set, first quartile ( Q1 ) is 30 and third quartile (Q3) is 46. Check whether the following values are outliers for this data set?
61,65,5,10,71 An Outlier or Not an Outlier
D)
A simple random sample of size n=100 is taken from a population. The data are known to come from a Normal distribution with a mean=25 and a standard deviation=15. Select the mean and the standard deviation of the sample mean from the given list of values?
Mean___, Standard Deviation____
E)
It is known that the probability of a randomly selected female student passing the mid-semester quiz is 0.67. If she has passed the mid-semester quiz then the probability of her passing the final quiz is 0.82. What is the probability of her passing both quizzes? Provide the answer to 3 decimal places.
Solutions
orchestra answered 1 year agoRelated Solutions
A large corporation is interested in predicting a measure of job satisfaction among it employees. They...
A large corporation is interested in predicting a measure of job
satisfaction among it employees. They have collected data on 15
employees who each supplied information on job satisfaction, level
of responsibility, number of people supervised, rating of working
environment and year of service.
Please write out the regression
equation of using all predictors and explain the equation.
Which predictor(s) is(are) very
important predictor(s) to predict job satisfaction? Why do you
select it (them)?
Use the important predictors to form...
A researcher is examining the relationship between job security and job satisfaction. Job Security Job Satisfaction...
A researcher is examining the relationship between job security
and job satisfaction.
Job Security
Job Satisfaction
High
Medium
Low
High
29
12
15
Medium
22
19
35
Low
17
18
36
8a) State your null and research hypotheses.
8b) Using SPSS CALCULATE AND INTERPRET (in plain English)
gamma.
- PLEASE SHOW STEPS AND COMMANDS USED ON SPSSS SO THAT I CAN
FOLLOW AND REPLICATE RESULTS.
We are interested in job satisfaction. Name a variable that correlates with job satisfaction but we...
We are interested in job satisfaction.
Name a variable that correlates with job satisfaction but we do
not have causation.
Name a variable that you believe may have a casual relationship
with job satisfaction.
Name a variable associated with job satisfaction that may be
considered reverse causation.
You are a nurse administrator and want to study professional satisfaction and job satisfaction among nurses....
You are a nurse administrator and want to study professional
satisfaction and job satisfaction among nurses. The stated purpose
of your study is, “to explore professional satisfaction and job
satisfaction among practicing nurses and to identify contributing
factor”. Select either a qualitative or quantitative approach and
describe a sampling plan. Explain your inclusion and exclusion
criteria. What might your sample size be?
A company is interested in the satisfaction of their employees, so they hired a consulting firm...
A company is interested in the satisfaction of their employees,
so they hired a consulting firm to conduct an in-house study.
Employees were classified into three categories (support staff,
analysts and executives) and asked if they felt the company had a
healthy work environment.
The data:
Yes
No
Support staff
9
32
Analysts
14
37
Executives
12
5
You're interested in whether employee classification has
anything to do with attitudes about work environment. For step 1,
instead of re-writing this...
) A researcher was interested in knowing if preterm infants with late metabolic acidosis and preterm...
) A researcher was interested in knowing if preterm infants with
late metabolic acidosis and preterm infants without the condition
differ with respect to urine levels of a certain chemical. Assume
that the urine levels of two groups are normally distributed with
same variations. The sample sizes, mean levels, and standard
deviations for the two samples taken were as follows:
(a) Conduct an appropriate test, what should the researcher
conclude on the significance level α = 0.05?
(b)Without further computation,...
3) A medical researcher is interested in knowing what percentage of the U.S. population has a...
3) A medical researcher is interested in knowing what percentage
of the U.S. population has a certain gene.
The researcher collect a random sample of 529 people from across
the country, and tests them for the gene. The gene was present in
57 of the 529 people tested.
a) Find a 90% confidence interval for the true proportion of
people in the U.S. with the gene.
b) Provide the right endpoint of the interval as your
answer.
Round your answer...
4) A medical researcher is interested in knowing what percentage of the U.S. population has a...
4) A medical researcher is interested in knowing what percentage
of the U.S. population has a certain gene.
The researcher collect a random sample of 515 people from across
the country, and tests them for the gene. The gene was present in
78 of the 515 people tested.
a) Find a 90% confidence interval for the true proportion of
people in the U.S. with the gene.
b) Provide the margin of error of the interval as your
answer.
Round your...
4) A medical researcher is interested in knowing what percentage of the U.S. population has a...
4) A medical researcher is interested in knowing what percentage
of the U.S. population has a certain gene. The researcher collect a
random sample of 510 people from across the country, and tests them
for the gene. The gene was present in 42 of the 510 people
tested.
a) Find a 90% confidence interval for the true proportion of
people in the U.S. with the gene.
b) Provide the right endpoint of the interval as your
answer.
Round your answer...
Analyse the impact attitudes and job satisfaction will have on an employees’ motivation at work and...
Analyse the impact attitudes and job satisfaction will
have on an employees’ motivation at work and to the organisational
behaviour.
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