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Sagot :
Answer:
a. The population of interest is:
xi. All workers in the U.S. who have participated in the job-sharing program
b. The variable that is being measured is:
viii. The percentage of the 1035 major firms surveyed which offer job-sharing to their employees
c. The sample selected is:
vi. The 1,035 firms surveyed
d. The parameter is:
v. Proportion of employees who are working mothers
e. The statistic is:
ix. 25% (stated as 23%)
Step-by-step explanation:
The parameter of a population is a fixed value calculated from every individual in the population. It is different from a statistic, which is computed from a sample of the population. The statistic is meant to approximate a population parameter.
You can use the definition of parameter and statistic to distinguish between the two.
The answers to the given sections are:
a. The population of interest is
xi. All workers in the U.S. who have participated in he job-sharing program
b. The variable measured is
viii. The percentage of the 1035 major firms surveyed which o↵er job-sharing to their employees
c. The sample selected is
vi. The 1,035 firms surveyed
Since this was the collection which was selected for study and thus, called sample from the population as all major US firms.
d. The parameter is
vii. The percentage of all U.S. major firms which o↵er job-sharing to their employees
e. The statistic is
ix. 25% (in question it is written 23% which might be mistakenly written, or that it is mistakenly written in option given)
What is a population and parameter?
The entire group or system which we are taking in consideration is population. Nothing bigger than it lies there in consideration.
Ex: If we're taking about health problem in a country, then the whole country people form a population.
If we're taking about numbers on a 6 face die, then those 6 numbers on 6 faces form a population.
Those numbers who summarize information about population are called parameter.
What is sample and statistic?
A portion of population taken and analyzed to predict information about population is called sample of that population.
Ex: When someone surveys a group, then he/she surveys a portion and not whole population in general.
Those numbers who summarize information about sample are called statistic.
(Statistic is different than statistics)
Using the above definitions to find the answers
a. The population of interest is
xi. All workers in the U.S. who have participated in he job-sharing program
b. The variable measured is
viii. The percentage of the 1035 major firms surveyed which o↵er job-sharing to their employees
c. The sample selected is
vi. The 1,035 firms surveyed
Since this was the collection which was selected for study and thus, called sample from the population as all major US firms.
d. The parameter is
vii. The percentage of all U.S. major firms which o↵er job-sharing to their employees
e. The statistic is
ix. 25% (in question it is written 23% which might be mistakenly written, or that it is mistakenly written in option given)
Learn more about parameter and statistic here:
https://brainly.com/question/3640262
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