mathtest statistic
posted by jason .
If we have a sample of 12 drawn from a normal population, then we would use as our test statistic
A) z0 with 11 degrees of freedom
B) t0 with 12 degrees of freedom
C) z0 with 12 degrees of freedom
D) t0 with 11 degrees of freedom

dsfa
Respond to this Question
Similar Questions

statistics
1)Please Help In testing whether the means of two normal populations are equal, summary statistics computed for two independent samples are as follows: Assume that the population variances are equal. Then, the Pooled Variance is equal … 
Business Statistics
1 When the necessary conditions are met, a twotail test is being conducted to test the difference between two population proportions. The two sample proportions are p1= 0.25 and p2 = 0.20 , and the standard error of the sampling … 
Statistic
If we use the รท2 method of analysis to test for the differences among 4 proportions, the degrees of freedom are equal to: A) 3 B) 4 C) 5 D) 1 
statistics
Suppose we take a random sample of size n from a normal population with variance, σ2 . It can be shown that (n−1)s2/σ2 has a chisquare distribution with n−1 degrees of freedom, where s is the sample variance. … 
statistics
mortgage broker is offering home mortgages at a rate of 9.5%, but the broker is fearful that this value is higher than many others are charging. A sample of 40 mortgages filed in the county courthouse shows an average of 9.25% with … 
math
if two dependent samples of size 20 are used to test the difference between the means, the degrees of freedom for a tstatistic is 19, true or false 
Statistic
A random sample of size 20 drawn from a normal distribution has a sample mean of 8 and a sample standard deviation of 4. A) Compute the sample test statistic t under the null hypothesis H_0: Mue(mean)=7 B) State the alternate hypothesis … 
Statistic
A random sample has 61 values. The sample mean is 9.9 and the sample standard deviation is 2. Use a level of significance of a=0.01 to conduct a righttailed test of the claim that the population mean is 9.2 ( i.e, H_0: u= 9.2, H_1: … 
Math!!!
A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chisquare test statistic with value 19.0 was obtained. What is the degrees of freedom associated with this test? 
Math  Stat !!!!
A 3 x 5 table is considered to test the association of two variables having 3 and 5 categories respectively. A Chisquare test statistic with value 19.0 was obtained. What is the degrees of freedom associated with this test?