Paul wants to estimate the mean number of siblings for each student in his school. He...

Paul wants to estimate the mean number of siblings for each student in his school. He records the number of siblings for each of 100 randomly selected students in the school. What is the parameter? Select the correct answer below: all the students in the school the 100 randomly selected students the specific number of siblings for each randomly selected student the mean number of siblings for all students in the school the mean number of siblings for the randomly selected students

Solutions

Expert Solution

TOPIC:Parameter.

milcah answered 1 year ago

Next > < Previous

Related Solutions

graduate student wants to estimate the number of research participants he will see in the fall...

graduate student wants to estimate the number of research participants he will see in the fall semester. Using his data from the previous nine semesters, he tabulates a mean of 140 students per semester, although departmental records reflect a seasonal variation (i.e., population standard deviation) of 45 students. Calculate the 99% confidence interval.

The distribution of the number of siblings for students at a large high school is skewed...

The distribution of the number of siblings for students at a large high school is skewed to the right with mean 1.8 siblings and standard deviation 0.7 sibling. A random sample of 100 students from the high school will be selected, and the mean number of siblings in the sample will be calculated. Which of the following describes the sampling distribution of the sample mean for samples of size 100 ? A Skewed to the right with standard deviation 0.7...

The student union wants to determine the mean number of hours per week a student at...

The student union wants to determine the mean number of hours per week a student at Okanagan College studies. To accomplish this, they passed a questionnaire to 14 randomly chosen students among first and second year status. They also wanted insure an equal number of men and women to possibly investigate gender differences. The results were: Year of study 1 2 1 1 2 2 1 1 2 2 2 1 1 2 Mean hours studied per week 4 12...

Wendy wants to estimate the mean number of hours that college students sleep each night. She...

Wendy wants to estimate the mean number of hours that college students sleep each night. She obtains a simple random sample of 41 college students and finds that the sample mean is 6.7 with a standard deviation of 1.9. Construct a 90% confidence interval to estimate the population mean and interpret your answer in a complete sentence (round numbers to 1 decimal place).

Wendy wants to estimate the mean number of hours that college students sleep each night. She...

Enrique lives in rural Ecuador and is finishing his high school. As an outstanding student, he...

Enrique lives in rural Ecuador and is finishing his high school. As an outstanding student, he was accepted by the leading private university, University de Quito to study in a two year program on comparative literature and linguistics to become a college teacher. If he goes to university, he will pay a tuition fee of $1000 ($1 = 1 peso) per year (for 2 years). Suppose also that there is a “psychological” cost of $400 associated with moving to the...

A student polls his school to see if students in the school district are for or...

A student polls his school to see if students in the school district are for or against the new legislation regarding school uniforms. She surveys 450 students and finds that 214 are against the new legislation. Calculate the EBP. Use a 90% Confidence Level. Fill in the blank, round to three decimal places.

The New York City school board wants to estimate the mean size μ of AP statistics...

The New York City school board wants to estimate the mean size μ of AP statistics classes in New York City high schools. The board obtained the following random sample of AP statistics class sizes: 24 29 29 23 25 24 33 26 24 29 27 26 22 32 24 21 19 29 31 26 29 31 16 Question 1. Use the data above to construct a 98% confidence interval for the mean class size μ. (calculate y and s...

Student is interested in the mean lifespan of males in his town he has heard claims...

Student is interested in the mean lifespan of males in his town he has heard claims that the mean age of death for males in his town is 70 years at six facts that it is less he randomly selects 88 mills deaths from the past year the mean age at death for these 88 men with 68.9 years with a standard deviation of 16.71 years test the students claim at the 0.05 level of significance

The owner of Britten's Egg Farm wants to estimate the mean number of eggs laid per...

The owner of Britten's Egg Farm wants to estimate the mean number of eggs laid per chicken. A sample of 16 chickens shows they laid an average of 18 eggs per month with a standard deviation of 5 eggs per month. a-2. What is the best estimate of this value? ANS ________ For a 90% confidence interval, what is the value of t? (Round the final answer to 3 decimal places.) The value of t is______ d. Develop the...

Subjects