Which is not a measure of dispersion?

Which is not a measure of dispersion?

Power of the test is computed by:

Arrange the following steps in the correct order when applying ANCOVA in sports science research:
A. Apply ANCOVA to adjust for the influence of covariates and refine the results.
B. Collect data on both the dependent variable and covariates.
C. Control for confounding variables such as age, experience.
D. Analyze the adjusted group differences to determine the true effect of the intervention.
Choose the correct answer from the options given below:

The Chi-Square test cannot be used as a:

What are the statistical software for data analysis
A. Minitab
B. Python
C. SPSS (Statistical Package for the Social Science)
D. Jamovi
E. G * Power
Choose the correct answer from the options given below:

Which of the following statements are correct about Multiple Correlation?
A. Multiple correlation can be used to select the test battery which is composed of the test items that correlate lowest to the criterion and highest with one another.
B. Test item that correlate highly with another one is considered to be measuring the same thing and is therefore superfluous.
C. If two test items ae formed to be highly related, the one that correlates lowest with the criterion is selected.
D. It these are considerable number of test items multiple correlation process select least no of items to comprise the test battery.
E. Regression equations can also be used to predict an individual performance based on the scores other selected items.
Choose the correct answer from the options given below:

If in a test of 50 items with means of 30 and standard deviation of 6, which will be the reliability of the test?

If N=10 and rank order correlation (P, rho)= 0.80, then, which is the value of

A cricket coach compared 3 training groups having 10 players in each group by using one way Analysis of variance (ANOVA). Results revealed sum of squares between groups (ss)b = 134.6 and sum of squares within groups (ss)w = 110.1. which is the value of F-ratio?

If mean of is 10then which is the mean of last four scores?