If R = 3, C = 3, and alpha is set at .05, what would the critical value be for a chi-square test of independence? a. 12.592 b. 16.919 c. 7.815 d. 9.488
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If R = 3, C = 3, and alpha is set at .05, what would the critical value be for a chi-square test of independence?
a. 12.592
b. 16.919
c. 7.815
d. 9.488
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- Do one of the following, as appropriate: (a) find the critical value of ??/2 ; (b) find the critical value of ??/2 a. 1- ? = 95%; n = 20; ?2 is unknown; population is normalIf I have 2 for the degrees of freedom with an alpha of 0.05, what would be the critical value of t?A researcher wanted to determine if using an octane booster would increase gasoline mileage. A random sample of seven cars was selected; the cars were driven for two weeks without the booster and two weeks with the booster. Use the definitions of X1 and X2 as given in the table. Consequently, D=X1=X2What critical value should be used at a-0.05?
- What is the critical z value of a two sided test for alpha = .01? A) 2.33 B) 2.57 C) 0.004 D) 0.040M1= 37 SS1=360 n1=11 M2= 43 SS2=576 n2=10 Assume two failed test and alpha= .05 What is the critical value?L12Q5.At 10% level of significance, the critical value(s) of z to test H0: μ1= μ2; against Ha: μ1 ≠ μ2 is/are
- Assuming all other factors are held constant ,if the df value for a two tailed t test with x=.05 were increased from df=6 to df=20,what would happen to the critical values for t? the critical values would further from t=0 the crtical values would move closer to t=0 the crtical values would not change this is impossible to determinewe investigate if a period of time feels longer or shorter when people are bored compacted to when they are not bored. using independent samples, we obtain these estimates of the time period (in minutes) sample 1 (bored) xbar= 14.5 s2x= 10.22 n= 28 sample 2(not bored) xbar=9.0 s2x=14.6 n=34 (a) what are Ho and Ha? (b) compute t-obt (c) with alpha =.05, what is t-crit?Find the critical value or values of X^2 based on the given information.H1 : ó < 0.629n = 19 a= 0.025
- Find the critical value of x2 based on the given information. H1=a<0.14 n=23 a=0.10Refer to the accompanying data display that results from a sample of airport data speeds in Mbps. Complete parts (a) through (c) below. TInterval (13.046,22.15) x overbar equals 17.598 Sx equals 16.01712719 n equals 50 a. What is the number of degrees of freedom that should be used for finding the critical value t Subscript alpha divided by 2?With α = .05 and df = 8, the critical values for a two-tailed t-test are t = ±2.306. Assuming all other factors are held constant if the df value were decreased to df = 5, what would happen to the size of the critical regions?