IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162. Convert Einstein’s IQ score and Sharma’s score to their corresponding 𝑍-scores.

b. Einstein: 3.75, Sharma: 3.87

a. Einstein: -3.75, Sharma: 3.87

c. Einstein: -2.75, Sharma: 2.87

d. Einstein: 3.75, Sharma: -3.87

Which of the following employs simple random sampling?

b. Drawing names randomly from a covered box

a. Picking a house randomly and then picking 5 more on the same street

c. Selecting every 10th person that you see

d. Picking a random location on a map and then the nearest two houses are chosen

A researcher who wanted to determine the benefits of using a new study technique to Statistics students obtained permission from a school district to select 50 senior high school students as participants. The researcher selected 50 senior high school students at random. The researcher selected 25 of them to participate in the new study program. The researcher gave a training session on traditional study techniques to the other 25 students and asked them to use these methods. Who is the target population in this study?

b. All students in the district

a. Statistics students in the district

d. The 25 students who learned the new study techniques

How is stratified sampling carried out?

a. Divide the population into homogenous groups and proportionally select random sample from each group.

b. Systematically choose samples by getting, say, every 8th entry in a list.

c. Divide the population into groups and select all members of a random group as samples.

d. Assign numbers to each member of the population then randomly select numbers

Which is an advantage of using simple random sampling?

a. It eliminates risk of getting biased respondents.

b. It is easy to use and likely represents the population

c. It is the easiest to use if the target population is spread out in a large geographical area.

d. It has been established in the courts to be superior to stratified random sampling.

The sampling distribution of a statistic is ___.

b. The distribution of values taken by a statistic in all possible samples of the same sample size from the same population

a. Using repeated samples and finding a probability

c. The way that sample results different from each other

d. The distribution of values in a sample of size 𝑛

A certain public high school has 2000 students. The principal wants to obtain information from parents regarding school homework policies. 30. The principal takes a numbered list of all students in the school and randomly selects samples whose parents will participate. The principal wants to be sure she has a proportionate sample of parents based on the grade level of the students. The target population in her study are ____.

b. Parents of students in the school

c. Elementary school pupils in the district

d. Parents of elementary school pupils in the district

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Statistics & Probability Fun Quiz

Quiz

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11th Grade

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Practice Problem

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Hard

Gemma Tabalbag

Used 7+ times

FREE Resource

50 questions

Show all answers

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 26 scores in a Math test?

a. -1.25

b. 0.25

c. 1.25

d. -0.25

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 39 scores in a
Math test?

a. -0.375

b. 1.375

c. 0.375

d. -1.375

Answer explanation

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The shelf life of a particular bakery product is assumed to be a normally distributed with a mean of 15 days and a standard deviation of 3 days.

16. About what percent of the products last between 12 and 15 days?

a. 32.13%

b. 30.13%

c. 31.13%

d. 34.13%

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 42 scores in a Math test?

a. -0.75

b. 0.75

c. -1.75

d. 1.75

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 32 scores in a Math test?

a. -0.5

b. 0.5

c. 1.5

d. -1.5

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 32 scores in a Math test?

a. -0.125

b. 1.125

c. -1.125

d. 0.125

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Scores on a Literature test have an average of 80 with a standard deviation of 6.
What is the 𝑍-score of a student who earned a 74 on the test?

a. 1

b. -1

c. 0

d.2

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Statistics & Probability Fun Quiz

50 questions

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 26 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 39 scores in a
Math test?

The shelf life of a particular bakery product is assumed to be a normally distributed with a mean of 15 days and a standard deviation of 3 days.

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 42 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 32 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 32 scores in a Math test?

Scores on a Literature test have an average of 80 with a standard deviation of 6.
What is the 𝑍-score of a student who earned a 74 on the test?

On an Intelligence Quotient test with a mean score of 100 and a standard deviation of 15, Patrick scored 85. What is Patrick's 𝑍-score?

IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162.
Convert Einstein’s IQ score and Sharma’s score to their corresponding 𝑍-scores.

IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162.
What is the difference between the 𝑍-score of Einstein and 𝑍-score of Sharma?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Statistics & Probability Fun Quiz

50 questions

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.What is the Z-score of 26 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.What is the Z-score of 39 scores in a Math test?

The shelf life of a particular bakery product is assumed to be a normally distributed with a mean of 15 days and a standard deviation of 3 days.

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.What is the Z-score of 42 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.What is the Z-score of 32 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.What is the Z-score of 32 scores in a Math test?

Scores on a Literature test have an average of 80 with a standard deviation of 6.What is the 𝑍-score of a student who earned a 74 on the test?

On an Intelligence Quotient test with a mean score of 100 and a standard deviation of 15, Patrick scored 85. What is Patrick's 𝑍-score?

IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162.Convert Einstein’s IQ score and Sharma’s score to their corresponding 𝑍-scores.

IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162.What is the difference between the 𝑍-score of Einstein and 𝑍-score of Sharma?

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 26 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 39 scores in a
Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 42 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 32 scores in a Math test?

Find the 𝑍-score of the given raw scores in a Math test when the mean score is 36 with a standard deviation of 8.
What is the Z-score of 32 scores in a Math test?

Scores on a Literature test have an average of 80 with a standard deviation of 6.
What is the 𝑍-score of a student who earned a 74 on the test?

IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162.
Convert Einstein’s IQ score and Sharma’s score to their corresponding 𝑍-scores.

IQ scores have a mean of 100 and a standard deviation of 16. Albert Einstein reportedly had an IQ of 160. Arnav Sharma, a 12-year old boy gained a score of 162.
What is the difference between the 𝑍-score of Einstein and 𝑍-score of Sharma?