Unit 6 Review - Probs & Stats

Unit 6 Review - Probs & Stats

12th Grade

30 Qs

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Unit 6 Review - Probs & Stats

Unit 6 Review - Probs & Stats

Assessment

Quiz

Mathematics

12th Grade

Practice Problem

Medium

CCSS
HSS.IC.B.4, HSS.MD.A.2, HSS.MD.B.6

+2

Standards-aligned

Created by

Breanna Loran

Used 3+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a confidence interval?

To find the exact proportion of a sample

To estimate the true population proportion

To determine the mean of a sample

To calculate the standard deviation

Tags

CCSS.HSS.IC.B.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When should you use a 1-Proportion Z-Interval?

When you know p

When the problem involves a quantitative variable

When you don't know p, but you'd like to

When the sample size is less than 10

Tags

CCSS.HSS.IC.B.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a bigger confidence interval indicate about the precision of the estimate?

More precise

Less precise

No change in precision

Precision is not related to confidence interval

Tags

CCSS.HSS.IC.B.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the process for creating a 1-Proportion Z-Interval?

Define the parameter

Check conditions to use Normal Model

Calculate the confidence interval

Name the interval

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a condition to use a Normal Model?

Independent samples

Random samples

Sample size less than 10% of population

Sample size greater than 50% of population

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a confidence interval?

To find the true population proportion

To determine the sample size

To calculate the mean

To identify the standard deviation

Tags

CCSS.HSS.IC.B.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the standard error in a 1-Proportion Z-Interval?

SE(𝑝̂) = √(𝑝̂(1−𝑝̂)/𝑛)

SE(𝑝̂) = 𝑝̂/𝑛

SE(𝑝̂) = 𝑛/𝑝̂

SE(𝑝̂) = 𝑝̂(1−𝑝̂)

Tags

CCSS.HSS.IC.B.4

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