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I am really in need of someone help! Please
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use
asked by Jennifer on December 13, 2011 
statistics
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use
asked by Malia on December 13, 2011 
Math Anova
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use
asked by Jennifer on December 13, 2011 
PLEASE HELP ME!!!
A researcher has collected statistics pretest scores for students representing 3 different age groups 1830 3145 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use
asked by jennifer on December 13, 2011 
statistics and probability
It is known that an exam scores of students in STAT 2507 follow a normal distribution with a mean of 70% and a standard deviation of 9%. (A) If a student must obtain a mark of 50% to pass the exam, what proportion of students fail
asked by Adam on February 26, 2011 
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The data below are the final exam scores of 10 randomly selected statistics students and the number of hours they studied for the exam. Calculate the correlation coefficient r.
asked by milly on September 28, 2011 
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The results of a poll are stated as follows: “Based on a survey of 156 randomly selected students, 90% of the student body of 2870 students agree that no student should have to take final exams in two consecutive exam
asked by Angela on April 13, 2016 
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Frank had a pretest score of 6, what must his posttest score be for his percent of increase to be 50 percent?
asked by Sara on April 14, 2011 
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5. Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6. a. What is the probability that a randomly selected exam will have a score of at least 71? b. What
asked by Zac on March 5, 2012 
human growth
The esteemed Dr Bookworm has just completed a study in which he found a +1.0 correction between the number of cups of coffee his students drank right before class and the scores they earned on his final exam. This correlation
asked by Tonya on October 22, 2015