Answered You can buy a readymade answer or pick a professional tutor to order an original one.
QUIZMAT540 Statistical Concepts for Research #1 Which of the following terms are included in a 95% confidence interval for the difference between two means found from a sample of 25 for each sample?T
QUIZ
MAT540 Statistical Concepts for Research
#1 Which of the following terms are included in a 95% confidence interval for the difference between two means found from a sample of 25 for each sample?
The mean
T value for a df of 48, at two tail .05
The standard error of the mean
All of these are used
Only a and b
#2 Confidence intervals are centered around a
Sample mean
Population mean
Either
Any desired sample statistic
#3 Practical significance of a statistical rejection of the null hypothesis is determined by
The pvalue causing the rejection of the null hypothesis.
The size of the difference being measured.
An effect size calculation.
All rejections of the null hypothesis suggest a practical significance to the findings.
#4 The practical significance of a decision rejecting the null hypothesis should always be considered with every statistical test outcome.
True
False
#5 The effect size measure is an important way to assess the practical importance of a null hypothesis rejection decision.
True
False
#6 The effect size measure for a large chi square contingency table analysis is
Eta squared
Cohen’s D
Cramer’s V
All of these are appropriate
#7 The confidence level in a confidence interval is established by
A Zvalue, such as 1.96 for a 95% confidence interval
A tvalue, using the appropriate degrees of freedom and the level desired
The appropriate statistic for the test distribution
The F statistic, using the appropriate degrees of freedom and the level desired
#8 Confidence intervals are used in decision making, when a range of possible outcomes is preferred.
True
False
#9 The effect size measure for the ttest is
Eta squared
Cohen’s D
r
All of these are appropriate
#10 Which of the following terms are included in a 95% confidence interval for a mean found from a sample of 25?
The mean
T value for a df of 24, at two tail .05
The standard error of the mean
All of these are used
Only a and b
 @
 1453 orders completed
 ANSWER

Tutor has posted answer for $15.00. See answer's preview
*******