For a chi squared χ2-curve with 18 degrees of freedom, find the chi squared χ2-value that...
For a chi squared χ2-curve with 18 degrees of freedom, find the chi squared χ2-value that has area 0.025
to its right.
please show me how to do this on ti 84 calc please!
Homework Answers
The given problem is solved using chi-square distribution table for given degree of freedom and right tail probability. I am also uploading the table for sfurther clearance.
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For a chi squared χ2-curve with 18 degrees of freedom, find
the chi squared χ2-value that...
ch 11 q 2 For a χ2-curve with 18 degrees of freedom, find the χ2-value that...
ch 11 q 2
For a χ2-curve with 18 degrees of freedom, find the χ2-value that has area 0.975 to its right. The χ2-value is (Round to three decimal places as needed.)
Determine (a) the chi squared χ2 test statistic, (b) the degrees of freedom, (c) the critical...
Determine (a) the chi squared χ2 test statistic, (b) the degrees of freedom, (c) the critical value using α=0.05, and (d) test the hypothesis at the α=0.05 level of significance. H0: pA = pB = pC = pD = 1/4th H1: At least one of the proportions is different from the others. (a) The test statistic is __?__ . (Type an exact answer.)
Suppose that χ2 follows a chi-square distribution with 20 degrees of freedom. Compute P (χ2 ≤...
Suppose that χ2 follows a chi-square distribution with 20 degrees of freedom. Compute P (χ2 ≤ 24). Round your answer to at least three decimal places. Suppose again that χ2 follows a chi-square distribution with 20 degrees of freedom. Find k such that P(χ2 >k) = 0.1. Round your answer to at least two decimal places. Find the median of the chi-square distribution with 20 degrees of freedom. Round your answer to at least two decimal places.
Determine (a) the χ2 test statistic, (b) test degrees of freedom, (c) the critical value using...
Determine (a) the χ2 test statistic, (b) test degrees of freedom, (c) the critical value using α=0.05, and (d) test the hypothesis at the α=0.05 level of significance. Outcome Observed Expected A 18 20 B 18 20 C 22 20 D 22 20 H0:Pa=Pb=Pc=Pd=1/4 H1: at least one of the proportions is different from the others. (a)test statistics is 0.8 (b) There are 3 degrees of freedom (c) The critical value is X ?? (round three decimal places as needed)...
Find the value of t for a t-distribution with 11 degrees of freedom such that the...
Find the value of t for a t-distribution with 11 degrees of freedom such that the area to the right of t equals 0.025.
What is the chi-square value for 19 degrees of freedom and area of .025 area in...
What is the chi-square value for 19 degrees of freedom and area of .025 area in the right tail? Select one: a. 30.144 b. 10.117 c. 32.852 d. 8.907
9. Show that Y-Σ|-1 z? has a Chi-squared distribution with n degrees of freedom, where Z's...
9. Show that Y-Σ|-1 z? has a Chi-squared distribution with n degrees of freedom, where Z's are iid rvs from a standard normal distribution. (Prove it mathematically)
Let X be chi-squared with k = 5 degrees of freedom. (a) What is P[X >...
Let X be chi-squared with k = 5 degrees of freedom. (a) What is P[X > 1]? (This exact calculation requires some serious integration) (b) Find P[X > 1] with the normal approximation, i. e., approximate that probability assuming X ~ N(mu, sigma squared), where mu and sigma squared are the mean and variance of a Gamma(5/2, 1/2).
Use the given information to find the number of degrees of freedom, the critical values chi...
Use the given information to find the number of degrees of freedom, the critical values chi Subscript Upper L Superscript 2 χ2L and chi Subscript Upper R Superscript 2 χ2R, and the confidence interval estimate of sigma σ. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Nicotine in menthol cigarettes 95% confidence; n=30, s=0.24mg. I've figured out how to calculate the degrees of freedom and I have the...
QUESTION 4 Given the test statistic and degrees of freedom, find the p-value range (area to...
QUESTION 4 Given the test statistic and degrees of freedom, find the p-value range (area to the right) that is the best choice. x2 = 34.7, df = 21 0.75 < P<0.90 0.05 <P<0.10 0.90 < P<0.95 0.025 <P<0.05 QUESTION 5 Given the test statistic and degrees of freedom, find the p-value range (area to the right) that is the best choice. x2 = 35.2, df = 24 0.90 < P<0.95 0.025 <P<0.05 0.75 <P<0.90 0.05 < P<0.10
ch 11 q 2
For a χ2-curve with 18 degrees of freedom, find the χ2-value that has area 0.975 to its right. The χ2-value is (Round to three decimal places as needed.)
9. Show that Y-Σ|-1 z? has a Chi-squared distribution with n degrees of freedom, where Z's are iid rvs from a standard normal distribution. (Prove it mathematically)
QUESTION 4 Given the test statistic and degrees of freedom, find the p-value range (area to the right) that is the best choice. x2 = 34.7, df = 21 0.75 < P<0.90 0.05 <P<0.10 0.90 < P<0.95 0.025 <P<0.05 QUESTION 5 Given the test statistic and degrees of freedom, find the p-value range (area to the right) that is the best choice. x2 = 35.2, df = 24 0.90 < P<0.95 0.025 <P<0.05 0.75 <P<0.90 0.05 < P<0.10
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