GRE Prep Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
S is the set of all test scores in Ms. K’s class. T is the s
[#permalink]
17 Nov 2020, 04:28
17 Nov 2020, 04:28
Expert Reply
00:00
Question Stats:
88% (00:32) correct
11% (00:49) wrong based on 62 sessions
Hide Show timer Statistics
S is the set of all test scores in Ms. K’s class.
T is the set of all test scores in Ms. K’s class, after Ms.
K added 10 points to every test score in the class.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Kudos for the right solution and explanation
T is the set of all test scores in Ms. K’s class, after Ms.
K added 10 points to every test score in the class.
Quantity A |
Quantity B |
The standard deviation of set S |
The standard deviation of set T |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Kudos for the right solution and explanation
Re: S is the set of all test scores in Ms. K’s class. T is the s
[#permalink]
18 Nov 2020, 00:16
18 Nov 2020, 00:16
2
adding and subtracting a value from each number of a series
will not alter the value of standard deviation. Therefore,
just adding 10 with each score will not change the standard deviation.
So the answer here is C (both are always equal)
will not alter the value of standard deviation. Therefore,
just adding 10 with each score will not change the standard deviation.
So the answer here is C (both are always equal)
Re: S is the set of all test scores in Ms. Ks class. T is the s
[#permalink]
22 Nov 2022, 02:32
22 Nov 2022, 02:32
Hello from the GRE Prep Club BumpBot!
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
Want to see all other topics I dig out? Follow me (click follow button on profile). You will receive a summary of all topics I bump in your profile area as well as via email.
