Only 17 For the matched t test, the degrees of freedom are: A) the number of sco

Question

Only 17 For the matched t test, the degrees of freedom are: A) the number of scores. B) the number of pairs. C) the number of scores minus 1. D) the number of pairs minus 1. For the matched t test, the standard error term is equivalent to: A) the standard error of the mean of the difference scores. B) the standard error of the difference of the means. C) the square root of the pooled variance. D) all of the above Matching subjects in pairs is usually preferable to repeated measures on whenever: A) there are simple order effects. B) there are differential carry-over effects. C) the correlation between the two sets of scores is low. D) all of the above. A harmonic mean allows us to: A) calculate a z score B) get two different values for the mean C) get one value for variance with unequal sample variances D) get one value for mean with unequal sample sizes A pooled variance allows us to: A) calculate a z score B) get two different values for the mean C)get one value for variance with unequal sample variances D) get one value for mean with unequal sample sizes

Explanation / Answer

Solution:

option(d)

all of the above

the standard error term is used for all these

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