Excel can be used to find the critical value for an F distribution for a given significance level. For example, to find the critical value (the value above which you would reject the null hypothesis) for ?=0.05 with dfbetween=3and dfwithin=3, enter
=FINV(0.05,3,36)
Enter this into Excel to confirm you obtain the value
2.866.
You conduct a one-factor ANOVA with 3 groups and 7 subjects in each
group (a balanced design). Use Excel to find the critical values
for ?=0.02 and ?=0.01 (report accurate to 3 decimal places).
F0.02=
F0.01=
we can use F.INV.RT(alpha level,df between ,df within)
df of freeom between = 3-1=2
df of freedom within =21-3=18
F0.02=4.90006 ........by using F.INV(0.02,2,18)
F0.01=6.01290..................by using F.INV(0.01,2,18)
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Excel can be used to find the critical value for an F distribution for a given...
Google Sheets can be used to find the critical value for an F distribution for a given significance level. For example, to find the critical value (the value above which you would reject the null hypothesis) for α=0.05α=0.05 with dfbetween=3dfbetween=3 and dfwithin=44dfwithin=44, enter =FINV(0.05,3,44) Enter this into Google Sheets to confirm you obtain the value 2.816. You conduct a one-factor ANOVA with 7 groups and 5 subjects in each group (a balanced design). Use Google Sheets to find the critical...
Google Sheets can be used to find the critical value for an F distribution for a given significance level. For example, to find the critical value (the value above which you would reject the null hypothesis) for α=0.05α=0.05 with dfbetween=3dfbetween=3 and dfwithin=24dfwithin=24, enter =FINV(0.05,3,24) Enter this into Google Sheets to confirm you obtain the value 3.009. You conduct a one-factor ANOVA with 6 groups and 5 subjects in each group (a balanced design). Use Google Sheets to find the critical...
Find the critical F-value for a one-way ANOVA given: α = 0.01 dfb = 30 dfw = 14 a. 2.72 b. 3.34 c. 4.21 d. 1.98 e. 3.00 In which direction is the F distribution skewed? a. Positively skewed b. Negatively skewed c. No skew If our calculated F is LARGER than our identified critical value from the F-table, what decision would we make about the null hypothesis? a. Reject the null hypothesis b. Fail to reject (i.e., retain) the...
Interpretation of the t-statistics in a t-test given a critical value. For example, while performing a t-test to compare two groups, you obtain a t-statistics of 3.56 If th e critical value is 3.1, do you reject or accept the null hypothesis? Based on this information, are the groups the same or different on the average?
i need help with this question, please show work by hand no excel, spss thank you ! Assume you're using an alpha of 05, and a two-tailed test, to make your decision about whether to reject the null hypothesis. Assume that 18 subjects received one of three treatments and produced the data reported in Data Set B. Conduct a one-way ANOVA to see if the means of the three treatments are different on a statistically significant level. Complete an ANOVA...
Refer to the following partial ANOVA results from EXCEL. source of variation ss df MS F-sta among-group 172.740 43.185 within-group 508.972 total total # of observation: 58 e. the critical value , F x at x=0.05 (3 decimals) f. at x= 0.05 your conclusion for testing the null hypothesis is that all the groups have the same mean is:
15) Find the critical value that defines the rejection region for the following hypothesis test: Is the average life expectancy of Americans more than 78.8 years? To test this claim, a sample of 400 Americans are studied, with an average lifespan of 79.4 years and a standard deviation of 3.9 years. Use a significance level of 0.05. A) 1.649 B) 1.645 C) 3.08 D) -1.649 E) None of the Above 16) A large software company gives job applicants a test...
15) Find the critical value that defines the rejection region for the following hypothesis test: Is the average life expectancy of Americans more than 78.8 years? To test this claim, a sample of 400 Americans are studied, with an average lifespan of 79.4 years and a standard deviation of 3.9 years. Use a significance level of 0.05. A) 1.649 B) 1.645 C) 3.08 D) -1.649 E) None of the Above 16) A large software company gives job applicants a test...
Finding F critical for Variances Use the F-distribution to find the degrees of freedon for the numerator (d.f.N.), the degrees of freedom for the Denominator (d.f.D.) and the critical F-value Use the closest value when looking up the d.f.N. and d.f.D. in the tables. Test alpha α Sample 1 Sample 2 d.f.N. d.f.D. F critical Right 0.01 s12=37 n1=14 s22=89 n2=25 Two-tailed 0.10 s12=164 n1=21 s22=53 n2=17 Right 0.05 s12=92.8 n1=11 s22=43.6 n2=11
Any excel formula or words to get final answer so I can repeat process would be helpful, thank you. You wish to test the following claim (H) at a significance level of a = 0.05. H:H1 = 42 H:H1 H2 You believe both populations are normally distributed, but you do not know the standard deviations for either. However, you also have reason to believe the variances of the two populations are not equal. You obtain a sample of size ni...