Questions LLC
Login
or
Sign Up
Ask a New Question
Mathematics
Statistics
with a mean of 60 and standard deviation of 7, what is the z score at 1.64?
1 answer
z-score = (1.64-60)/7
= ...
(off the scale for all practical purposes)
You can
ask a new question
or
answer this question
.
Similar Questions
Three students take equivalent stress tests. Which is the highest relative score?
a. A score of 144 on a test with a mean of 128
Top answer:
I need the answer
Read more.
Three students take equivalent stress tests. Which is the highest relative score?
a. A score of 144 on a test with a mean of 128
Top answer:
34%
Read more.
When we convert x-value to z- score and use Standard Normal distribution, which of the following statements is true?
a) The mean
Top answer:
c) The mean of the z-scores is 0 and the standard deviation of z-scores is 1
Read more.
A mean score on a standardized test is 50 with a standard deviation of 10. Answer the following
a. What scores fall between –1
Top answer:
Z = (score-mean)/SD Z = raw scorre interms of standard deviations. Find table in the back of your
Read more.
Approximately 400,000 students took the GRE in 2009. Observed mean for the Verbal score was 540 with a standard deviation of 80,
Top answer:
cdfcjktgktgfvmvgfktyfkygvfjy
Read more.
John's z-score on a college entrace exam is 1.3. If the raw scores have a mean of 480 and a standard deviation of 70 points,
Top answer:
To find John's raw score, we can use the formula for z-scores: z = (x - mean) / standard deviation
Read more.
6.
Find the z-score related to the raw score, mean, and standard deviation as follows. Assume a normal probability distribution.
Top answer:
we can't possibly answer questions out of a book we don't have, and to figures we can't see. zscore=
Read more.
a mean score on a standardized test is 50 with a standard deviation of 10. What are the following:
1. what scores fall between -1
Top answer:
Z score is your score in terms of standard deviations. Z = (score-mean)/SD For the percentages, find
Read more.
i took the sat and received a score of 488 on the math section. the average score was 445 with a standard deviation of 110.
Top answer:
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas
Read more.
What is the probability of 62 if the mean is 60 and the standard deviation 7
what is the proportion between 45 and78 if the mean
Top answer:
Z = (score-mean)/SD = (62-60)/7 = ? Find table in the back of your statistics text labeled something
Read more.
Related Questions
IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the x- score that corresponds to
if someone scored two standard deviations above the mean on a standard test where the mean =100 and the standard deviation = 15,
A distribution has a mean of 300 and a standard deviation of 25. If the z score of quartile 1 is -.7 and the a score of Q3 is
set of data is normally distributed with a mean of 200 and standard deviation of 50.
· What would be the standard score for a
Question: If a distribution has a mean of 100 and a standard deviation of 15, what value would be +2 standard deviations from
Given a mean of 25 and a standard deviation of 2.3, what is the z-score of a data value of 29?
I don't understand the formula
Suppose every student in your class got a score of 85% on an exam. What are the mean and standard deviation of those exam scores
For a population with a standard deviation of s = 12, a z-score of z = +0.50 corresponds to a score that is above the mean by 6
A score that is 10 points below the mean corresponds to a z-score of z=-2.00. What is the population standard deviation?
If the mean I.Q. is 100 and the standard deviation of I.Q. scores is 15, then an I.Q. of 130 will have a z score (or standard