Determine how many degrees of freedom we have in a one-sample t-test for a sample size of N=26. (Hypothetical)
Solution :
Given that ,
sample size = n = 26
degrees of freedom = n - 1 = 26 - 1 = 25
Determine how many degrees of freedom we have in a one-sample t-test for a sample size...
Please answer a and b
years. a) How many degrees of freedom does the t-statistic have? b) How many degrees of freedom would the t-statistic have if the sample size had been 225? A survey of 25 randomly selected customers found the ages shown (in years). The mean is 33.68 years and the standard deviation is 10.5731 27 49 33 48 49 34 35 37 28 21 26 48 38 35 20 27 18 26 10 38 36 44 49...
QUESTION6 To select the correct Student's t-distribution requires knowing the degrees of freedom. How many degrees of freedom are there for a sample of size n? On+1 7 On-1 7
When using the pooled variance t-test, if the sample size for the first group is 16 and the sample size for the second group is 25, how many degrees of freedom do we have when finding the critical values?
Determine the number of degrees of freedom for the two-sample t test or Clin each of the following situations. (Round your answers down to the nearest whole number.) (a) m - 10, n = 10, $, - 4.0, $2 6.0 (b) m-10, n. 15, 5, -4.0, , -6.0 (c) m-10, n = 15,5,- 2.0, 52 - 6.0 (d) m = 12, n = 24, 5, - 4.0, S2 = 6.0
1. Fill in the blank. In a one-sample t-test, we use the _________ to estimate the population standard deviation in order to calculate the standard error. How do you find the degrees of freedom (df) for a one-sample t-test? a. N b. Calculate the standard deviation of the sample c. n-2 d. n-1 Which of the following influences the likelihood of obtaining significant results? a. The larger your estimated standard error, the more likely it will be to get...
Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.) (a) m = 12, n = 15, $1 = 5.0, 52 = 6.0 (b) m = 12, n = 18, S, = 5.0, S2 = 6.0 (c) m = 12, n = 18,51 = 3.0, 52 = 6.0 (d) m = 10, n = 21, S, = 5.0, S2 = 6.0
Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.) (a) m = 10, n = 15, 51 = 4.0, S2 = 5.0 X (b) m = 10, n = 18, S1 = 4.0, S2 = 5.0 m = 10, n = 18, S1 = 3.0, 52 = 5.0 (d) m = 12, n = 21, 51 = 4.0, S2 =...
Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.) (a) m = 12, n = 10, S1 = 3.0, 52 = 4.0 (b) 15 m = 12, n = 18, s1 = 3.0, S2 = 4.0 x m = 12, n = 18, S1 = 2.0, S2 = 4.0 (c) 19 m = 10, n = 24, $1 = 3.0,...
Determine the number of degrees of freedom for the two-sample t test or CI in each of the following situations. (Round your answers down to the nearest whole number.) (a) m = 12, n = 15, 51 = 5.0, 5 2 = 6,0 (b) m - 12, n = 18, 51 = 5.0, 5 2 = 6.0 (c) m = 12, n = 18, 51 = 2.0, 52 = 6.0 (d) m - 10, = 24, 51 = 5.0, 5...
In calculating a one-sample chi-square test, when there are 3 degrees of freedom, the variable has how many categories?