Sampling Distribution Identify

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
15 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Taxi fares in New York City are normally distributed with a mean fare of $22.50 and a standard deviation of $2.20. A tourism agency surveys 25 of its clients who have recently traveled to New York City to determine whether or not this information is accurate. The standard deviation of the sampling distribution for average taxi fare where the sample size is 25 is _____.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the shape of a sampling distribution of sample means as n increases?
It becomes narrower (closer to the population's true mean) and bimodal.
It becomes narrower (closer to the population's true mean) and more normal.
It becomes wider (further from the population's true mean)and skewed right.
It becomes wider (further to the population's true mean)and more normal.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The mean distance an OHS student travels to school is 5.6 miles with a standard deviation of 1.7 miles. Mrs. McLemore finds the mean of her 4th period class - a randomly selected sample of 39 students. What is the probability that the mean of her class is more than 6 miles?
0.002
0.070
0.898
1.27
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suppose the teenagers that attend public high schools get an average of 5.7 hours of sleep each night with a standard deviation of 1.7 hours. What is the probability that a randomly selected group of 35 high school students get more than 6 hours of sleep each night?
.430
.148
.281
.087
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the sampling distribution of sample mean?
It is the distribution of the median
It is the distribution of the sample size
It is the distribution of the entire population
It is the probability distribution of the sample mean for all possible samples of a certain size from a population.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Imagine Lily, Harper, and Evelyn are having a debate. They are discussing how the sampling distribution of sample proportion is different from the sampling distribution of sample mean. Can you help them settle the debate?
Lily argues that the sampling distribution of sample proportion is based on the proportion of successes in a sample, while the sampling distribution of sample mean is based on the average of the sample values.
Harper thinks that the sampling distribution of sample proportion is based on the average of the sample values, while the sampling distribution of sample mean is based on the proportion of successes in a sample.
Evelyn believes that the sampling distribution of sample proportion has a normal distribution, while the sampling distribution of sample mean has a skewed distribution.
Or is it that the sampling distribution of sample proportion is not affected by sample size, while the sampling distribution of sample mean is heavily influenced by sample size?
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