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MATHCHALLENGED:
Group Title
Help Please.
A researcher asks whether attending a private high school leads to higher or lower performance on a test of social skills wh…
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

MATHCHALLENGED:
Group Title
HELP PLEASE! PRETTY PLEASE!
Can you tell me if my answer is correct? I am being asked to flip a coin 4 times and determine what the probabil…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
Can you tell me if my answer is correct? I am being asked to flip a coin 4 times and determine what the probability of each of my coin flips…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
If a zscore is 1.33 and tells you that 1.33 is the standard deviation from the mean, is the z value positive or negative?
 updated 2 years ago
 27 replies
 1 Medal
Mathematics

MATHCHALLENGED:
Group Title
One way to measure the ability to find one’s way in an environment is to ask people to rate themselves on a Sense of Direction scale. In a s…
 updated 2 years ago
 1 reply
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
Data set:
1,1,1,1,2,3,3,3,4,4
…
 updated 2 years ago
 8 replies
 1 Medal
Mathematics

MATHCHALLENGED:
Group Title
what is the deviation form the mean of 2.3?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
Can anyone assist me in answering my question or point me to another resource? Thanks!
You would like to have $650,000 in 31 years by maki…
 updated 3 years ago
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
You would like to have $650,000 in 31 years by making regular deposits at the end of each month in an annuity that pays 5.5% compounded mon…
 updated 3 years ago
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
You would like to have $650,000 in 31 years by making regular deposits at the end of each month in an annuity that pays 5.5% compounded mon…
 updated 3 years ago
 No Medals Yet
Mathematics

MATHCHALLENGED:
Group Title
You would like to have $650,000 in 31 years by making regular deposits at the end of each month in an annuity that pays 5.5% compounded mon…
 updated 3 years ago
 No Medals Yet
Mathematics