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WorksheetsAP Statistics Unit 5 Vocabulary
Total questions: 11
Worksheet time: 34mins
What is the mean of the sampling distribution of p-hat?
28% of all KHS students believe Tuesday will be snow day. You take a sample of 50 students and find that 15 of them believe Tuesday will be a snow day. What does 50 represent?
n
P
phat
standard deviation
The mean number of pets owned by the population of students at a large high school is 3.2 pets per student with a standard deviation of 1.7 pets. A random sample of 16 students will be selected and the mean number of pets for the sample will be calculated.
What is the mean of the sampling distribution of the sample mean for samples of size 16 ?
1.7
3.2
163.2
161.7
161.7
Researchers will conduct a study of the television-viewing habits of children. They will select a simple random sample of children and record the number of hours of television the children watch per week. The researchers will report the sample mean as a point estimate for the population mean. Which of the following statements is correct for the sample mean as a point estimator?
A sample of size 25 will produce more variability of the estimator than a sample of size 50.
A sample of size 25 will produce less variability of the estimator than a sample of size 50.
A sample of size 25 will produce a biased estimator, but a sample size of 50 will produce an unbiased estimator.
A sample of size 25 will produce a more biased estimator than a sample of size 50.
A sample of size 25 will produce a less biased estimator than a sample of size 50.
