Calculus and Above

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If I have a large (N=240), single group, treatment study,
Second opinion] If I have a large (N=240), single group, treatment study, with measures taken every 3 months for 2 years, is it possible to statistically isolate components of that intervention and co… read more
Mr. Gregory White
Master's Degree
Master's Degree
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Need help with a statistic problem. Question: use the given
question: use the given data to find the best predicted value of the response variable. ten pairs of data yield a p-value of 0.093 and the regression equation y(hat)=2+3x. Also y(bar)=5.0. What is the best predicted value of y for x=2 … read more
Dr Arthur Rubin
Doctoral Degree
Doctoral Degree
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Question 11 The problem with following up an ANOVA by just
Question 11 The problem with following up an ANOVA by just running lots of t-tests to compare every possible pair of groups (assuming the study has more than 2 groups) is that this would: … read more
R.R. Jha
Bachelor's Degree
5,907 satisfied customers
I i i have a timed homeowrk assignment due in math the topic
i i hi . i have a timed homeowrk assignment due in math the topic is quadratic expressions if i type in the question here can someone work it out and send it back in a couple minutes … read more
GLENN GILONGOS
Master of Mathematics
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The average weight of an airline passenger's suitcases is 45
The average weight of an airline passenger's suitcases is 45 pounds with a standard deviation of 2 pounds. If 16% of the suitcases are overweight, find the weight that separates the allowed weights fr… read more
R.R. Jha
Bachelor's Degree
5,907 satisfied customers
Im having issues with my stat homework. So the question is
ok so the question is find the minimal sample size required so that for a 90% confidence interval, the maximal margin of error is E=0.5 … read more
R.R. Jha
Bachelor's Degree
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Find the critical value zα/2 that corresponds to a =0.15. I
Find the critical value zα/2 that corresponds to a =0.15 … read more
GLENN GILONGOS
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Biostatistics. He following data were collected as part of a
he following data were collected as part of a study of coffee consumption among graduate students. The following reflect cups per day consumed. What is the median?3 4 6 8 2 1 0 2 … read more
Math-John
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In the formula for the Confidence Interval for the Mean,
In the formula for the Confidence Interval for the Mean, besides E, what group of symbol(s) represents the Maximum Error of Estimate? … read more
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Daughters homework questions--help! Question 1 In families
Question 1 In families with 4 children, you are interested in the probability for the different possible numbers of girls in a family. Using theoretical probability compile a 5 column table with the heading 0-4 for the 5 possible numbers of girls in a 4 child family. Then use the table to find: … read more
Sandhya_sharma
Master's Degree
Master's Degree
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I need homework help. Not understanding probability. A
Hi. I need homework help. Not understanding probability. … read more
Ryan
Bachelor's Degree
4,665 satisfied customers
Can u help me with question 2? Probability. I have a
Ryan
Bachelor's Degree
4,665 satisfied customers
I am being asked to find the test statistic. Here is the
The claim is that the white blood cell count of adult females are normally distributed, with a standard deviation of 3.12. A random sample of 42 adult females has wbc with a mean of 7.44 and a standard deviation of 3.49.… read more
Ryan
Bachelor's Degree
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I need help with Drinks,sav - 2-11 questions 1-3. I am not a
I am not a math major, and I need all the help I can get. … read more
Ashok Kumar
Master's Degree
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Need help with a sra. I need help on 2 questions. The system
GLENN GILONGOS
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will attach word doc/ i only need the correct answers to the
Attachment: 2013-03-19_230720_1.docx will attach word doc/ i only need the correct answers to the questions… read more
Math-John
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Steve, I need help with another test. I have competed most
Steve, I need help with another test. I have competed most of the answers on the test but still need a lot of help. This form of math has to do with statistics and probability. I have uploaded the fil… read more
Stevewh
Teacher
Bachelor's Degree
6,427 satisfied customers
The density function of a random variable X is given by f(x)=1/5
The density function of a random variable X is given by f(x)=1/5 sqrt 2pi e ^ -(x+1.3)^2/50. Find its math expectation, variance and distribution function… read more
Math-John
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