1) population mean a) µ b) M c) s d) ss e) α 2) sample mean  a) µ b) M c) s d) ss e) α 3) subject a) µ b) M c) s d) ss e) α 4) subjects a) µ b) M c) s d) ss e) α 5) subjects a) µ b) M c) s d) ss e) α 6) alpha a) µ b) M c) s d) ss e) α 7) those in which membership is determined by a common behaviors, trait, or characteristic of the subjects a) intact group b) sample group  c) similar group d) trait group 8) skew- higher than normal a) leptokurtic b) mesokurtic c) platykurtic 9) skew- normal- no skew  a) leptokurtic b) mesokurtic c) platykurtic 10) skew- lower than normal a) leptokurtic b) mesokurtic c) platykurtic 11) we reject H0 when it is true a) Type 1 error α b) Type 2 error β 12) Probability of making a Type _ error when H0 is true is =α a) Type 1 error α b) Type 2 error β 13) fail to reject the null a) Type 1 error α b) Type 2 error β 14) fail to pick up a difference a) Type 1 error α b) Type 2 error β 15) when you allow a statistical error to convince you to dismiss a true effect a) Type 1 error α b) Type 2 error β 16) when you allow a statistical error to convince you of a false effect a) Type 1 error α b) Type 2 error β 17) Power and 1-β are the same thing a) true b) false 18) which variable does not influence power? a) sample size b) effect size/true difference c) variance d) alpha e) 1 vs 2 tailed hypothesis f) whether assignment is random 19) which variable has the strongest influence on power? a) sample size b) effect size/true difference c) variance d) alpha e) 1 vs 2 tailed hypothesis 20) how big the difference is between µ and value tests in H0 a) sample size b) effect size/true difference c) variance d) alpha e) 1 vs 2 tailed hypothesis 21) how well extraneous variables are controlled for  a) sample size b) effect size/true difference c) variance d) alpha e) 1 vs 2 tailed hypothesis 22) the larger the sample size, the more power it has a) true b) false  23) effect size- The smaller the gap, the more likely to reject the H0 a) true b) false 24) Power: p (rejecting H0) is maximized when extraneous variability (error) is kept to a minimum a) true b) false 25) The greater the alpha, the lesser the power a) true b) false 26) a two tailed test has more power a) true b) false 27) a large standard error will result in a smaller T value a) true b) false 

Stats midterm 1

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