I don't know much about statistics. We have data on purchasing patterns of people living in one County. In this county, young and old groups purchase products A, B, C, D, E, F . Product:...
I don't know much about statistics. We have data on purchasing patterns of people living in one County. In this county, young and old groups purchase products A, B, C, D, E, F . Product:...
the standard error of sampling distribution when we do not know the population standard deviation is equal to ?
Choose one of the following: A) 15 B) 14 C) 4 D) 3
Choose one of the following: A) the less likely an observed difference is due to chance B) the more likely an observed difference is due to chance C) the larger the sum of squares...
Choose one of the following: A) at least two of the means differ B) μ1=μ2=μ3 C) μ1≥ μ2 and μ3 D) there exists in the set of i and j at least one...
Choose one of the following: A) a normal distribution B) equal variances C) random sampling D) all of the above
Choose one of the following: A) total B) within group C) partial D) between group
A) 60 B) 59 C) 56 D) 42
A) 60 B) 59 C) 56 D) 42
A) analysis of variance is easier to calculate B) multiple t-tests increase the risk of a type l error C) both A and B D) none of the above
A)made the correct decision B)made a type l error C)made a type 2 error D) none of the above
To test for difference randomizes two groups implementing one program to each group(six members are in each group). The warden got a tobtained value of 2.7 a =.05, is there a difference between groups...
A) it is unlikely that the difference is a result of chance B) the research hypothesis is proven to be false C) the population means are equal D) the t value in the table is greater than...
True or false ? I believe it is true. An independent-measures research study compares three treatment conditions using a sample of n = 5 in each...
True or False ?
If a repeated-measures study shows a significant difference between two treatments with a = .01, then you can be sure that _____. a. the value of Cohen’s d is large. ( PICKED WRONG ANSWER) b...
A dance class contains 9 students, you need to select a simple random sample size of 4 to go on a trip, the following is the list of students. 1) Kendall 2)Alysha 3)Kelsey 4) Johnnie 5) Lucy 6)...
Are care exceeding the speed limit of 40mpg? a resident took a simple random sample of 40 automobiles over a period of several days and constructed the confidence interval of (37.4mph, 44.3mph) at...
The public policy polling organization surveyed 500 registered american voters from february 21st to 24th, 2013. The margin of error for the overall sample is +/-4.4%. The surveyed conclusion...
Given that you know Y how can you solve for one of the independent variables? Y=A+B1*X1+B2+X2+B3*X3+B4*X4+B5*X5+B6*X6 How could I rearrange this to solve for X2?