Question
Asked Sep 4, 2019
1 views

what is the sample variance and standard deviation of 21​,16​,3​,9​,11

 
 
 
check_circle

Expert Answer

Step 1

The formula for sample variance and standard deviation is given by:

help_outline

Image Transcriptionclose

1 v(x) n-1 Σ-3) 2 SD = V(X)

fullscreen
Step 2

The sample mean is 12 for the sample of 5 values...

help_outline

Image Transcriptionclose

Variance VX) (21-12)+(16-12) +(3-12 (-12) +(1-12 } 5 1 1 -{81+16+819+1} 4 188 4 = 47

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A random sample of 30 binomial trials resulted in 12 success. Test the claim that the population por...

A:  Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three s...

question_answer

Q: Brandybuck Insurance Company (BIC) is deciding whether to insure the lives of those leading a quest ...

A: The probability of surviving = 0.885Money earned by BIC if the insured person survives = 9970 silver...

question_answer

Q: Jane has stored three albums on her iPod. The first album consists of 11 songs by Frank Sinatra, the...

A: In this question, there is total 32 songs collection out of which 11 songs by Frank Sinatra, 13 song...

question_answer

Q: There are six multiple-choice questions on an exam, each with three possible answers. (a) Determine ...

A: According to the given question, there are six multiple-choice questions on an exam, each with three...

question_answer

Q: What price do farmers get for their watermelon crops? In the third week of July, a random sample of ...

A: The provided information are:

question_answer

Q: You are the foreman of the Bar-S cattle ranch in Colorado. A neighboring ranch has calves for sale, ...

A: According to the given question, x be the age of the calf (in weeks), and let y be the weight of the...

question_answer

Q: Question attached. Can the proof be shown by contradiction?  Any help would be appreciated.

A: You've guessed correctly. This can be proved by contradiction as you'll see in the ensuing steps.

question_answer

Q: Is the number of limbs a person has considered discrete data?

A: Discrete data can only take distinct values. There may be finite or infinite number of those values,...

question_answer

Q: Suppose that young adults own an average of three pairs of jeans. Survey eight people from your clas...

A: Hello there! there are more than three subparts in the question. According to our policies we cannot...