Understand statistics as a process for making inferences about population parameters based on a random sample from that population.

Sample Practice Questions (3)

The graph below represents the distribution of scores from a random sample of

1, 000

students on a standardized test. Based on this sample, what is the best estimate for the population mean score?

70

85

100

15

The graph below shows a normal distribution of sample means (

\overset{x}{ˉ}

) for samples of size

n = 30

taken from a large population. Based on the symmetry of the distribution, what is the most likely value for the population mean,

μ

45

50

55

100

A simulation was conducted to estimate the proportion of defective items in a large shipment. The dot plot shown below represents the results of

50

trials, where each trial shows the proportion of defective items found in a random sample of

n = 40

. Based on the distribution, what is the most likely population parameter for the proportion of defective items?

👩‍🏫

Generate a full auto-graded worksheet for NY-S.IC.1 in seconds. Track every student's mastery.

👨‍👩‍👧

See exactly how your child scores on NY-S.IC.1 and get a personalized practice plan.