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Showing of 15 Questions
No. & Date AskedQuestion
# 798 :: 8/19/09
Question 798 has been Answered
Teens were asked in the MTF 2006 survey how often they think about social issues (specific issues were not identified). The bivariate table includes r. . .

Chi-Square, Chi-Square Test of Independence

# 797 :: 8/15/09
Question 797 has been Answered
The issue of how much should be spent to solve particular U.S. social problems is a complex matter, and people have diverse and conflicting ideas on t. . .

Chi-Square

# 706 :: 4/28/09
Question 706 has been Answered
What is a chi-squared test used for? What is the typical null and alternate hypothesis when doing a chi-squared test?. . .

Chi-Square

# 677 :: 4/17/09
Question 677 has been Answered
A random sample of 51 observations was selected from a normally distributed population. The sample mean was x = 88.6 , and the sample variance was s2 . . .

Chi-Square, Standard Deviation, Population Standard Deviation, sample variance, sampe standard deviation

# 600 :: 1/30/09
Question 600 has been Answered
True or False The moving average method averages out cyclical and irregular components. When using Chi Square , the sum of the expected freque. . .

ANOVA, Chi-Square, Goodnees of Fit, F distribution

# 537 :: 12/6/08
Question 537 has been Answered
Can people really identify their favorite brand of cola? Volunteers tasted Coca-Cola Classic, Pepsi, Diet Coke, and Diet Pepsi, with the results shown. . .

2-proportion test, Chi-Square

# 536 :: 12/6/08
Question 536 has been Answered
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours. A Boeing 727 co-pilot coll. . .

Chi-Square, CHIDIST

# 535 :: 12/6/08
Question 535 has been Answered
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each location. Research question:. . .

Chi-Square, CHIDIST

# 534 :: 12/6/08
Question 534 has been Answered
Sixty-four students in an introductory college economics class were asked how many credits they had earned in college, and how certain they were about. . .

Chi-Square, CHIDIST

# 532 :: 12/5/08
Question 532 has been Answered
Based on the genotypes of parents, offspring are expected to have genotypes distributed in such a way that 25% have genotypes denoted by AA, 50% have. . .

Chi-Square, Goodnees of Fit

# 483 :: 10/21/08
Question 483 has been Answered
I have a research study where we have a "test" and a "control" group. We calculated a market share percentage for both groups, the test group was in . . .

McNemar Chi-Square , Chi-Square

# 475 :: 10/12/08
Question 475 has been Answered
A telephone manufacturer wants its telescope to have standard deviation in resolution to be significantly below 2 when focusing on object 500 light-ye. . .

Standard Deviation, Chi-Square, Chi-Square Distribution

# 338 :: 8/11/08
Question 338 has been Answered
Is the chi-square distribution is a skewed distribution whose mean value is n for degrees of freedom larger than two?. . .

Chi-Square

# 337 :: 8/11/08
Question 337 has been Answered
is the chi-square distribution used for inferences about the population mean when the standard deviation is unknown?. . .

Chi-Square

# 188 :: 5/12/08
Question 188 has been Answered
How do I do a Chi-Square test on unequal sample sizes?. . .

Chi-Square, Unequal Sample Size