Jeopardy

1
Jeopardy
Hypothesis Testing
T for Indep. Samples
T-test Basics
Z-scores
Probability
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
400
400
400
400
400
500
500
500
500
500
2
Hypothesis Testing--100

• This always specifies that the treatment had no
  effect or made no difference.
• answer

3
Hypothesis Testing--200

• Hypothesis testing is said to be this kind of a
  process because sample data is used to make
  decisions about a population.
• answer

4
Hypothesis Testing--300

• Rejecting the null hypothesis when, in fact, the
  null hypothesis is true.
• answer

5
Hypothesis Testing--400

• Retaining the null hypothesis when, in fact, the
  null hypothesis is false.
• answer

6
Hypothesis Testing--500

• Rejecting the null hypothesis when, in fact, the
  null hypothesis is false.
• answer

7
T-test Basics--100

• Use a t statistic instead of a z statistic when
  this is not known.
• answer

8
T-test Basics--200

• The shape of the t-distribution is determined by
• answer

9
T-test Basics--300

• In general, a t-test can be expressed as this
  ratio.
• answer

10
T-test Basics--400

• Use this kind of t-test when comparing a single
  sample to a hypothesized population value.
• answer

11
T-test Basics--500

• The alternative hypothesis for a two-tailed
  t-test comparing the mean of one sample to a
  hypothesized population mean of 450 ms.
• answer

12
Independent Samples--100

• Another name for an independent samples design.
• answer

13
Independent Samples--200

• The number of scores contributed by each
  participant in an independent samples design.
• answer

14
Independent Samples--300

• In an independent samples design, this special
  calculation of variability must be computed and
  used to figure the estimated standard error.
• answer

15
Independent Samples--400

• A simple average of the group variances can be
  used to calculate estimated standard error only
  when __________.
• answer

16
Independent Samples--500

• For an independent samples design, if df18 the
  total number of participants must be ___.
• answer

17
Z-scores-100

• The z-score that would indicate a score located 2
  standard deviation units below the mean.
• answer

18
Z-scores--200

• If a person earns a score that is equal to the
  population mean, that persons z-score will be
  ___.
• answer

19
Z-scores--300

• The distribution of z-scores always has a
  standard deviation of ___.
• answer

20
Z-scores--400

• The two pieces of population information you need
  in order to transform a raw score into a z-score.
• answer

21
Z-scores--500

• If the original distribution is negatively
  skewed, the shape of the distribution after a
  z-score transformation will be ___________.
• answer

22
Probability--100

• In general, the probability of A is computed by
  taking __________ and dividing by ________.
• answer

23
Probability--200

• For the definition of probability to be accurate,
  the outcomes must be obtained by a process called
  ___________.
• answer

24
Probability--300

• Provides a complete listing of z-scores and their
  corresponding proportions of the normal
  distribution.
• answer

25
Probability--400

• The _____ always corresponds to the larger part
  of the distribution, whether it is on the
  right-hand side or the left-hand side of the
  distribution.
• answer

26
Probability--500

• When finding the ______ for a particular score,
  we are always looking for the proportion of the
  distribution to the _____ of the x value.
• answer

27
Hypothesis Testing--100

• A What is the null hypothesis?
• Back to board

28
Hypothesis Testing--200

• A What is inferential?
• Back to board

29
Hypothesis Testing--300

• A What is a type I error?
• Back to board

30
Hypothesis Testing--400

• A What is a type II error?
• Back to board

31
Hypothesis Testing--500

• A What is power?
• Back to board

32
T-test Basics--100

• A What is the population standard deviation or
  the population variance?
• Back to board

33
T-test Basics--200

• A What is df or n?
• Back to board

34
T-test Basics--300

• A What is obtained (observed) difference over
  difference expected by chance alone?
• Back to board

35
T-test Basics--400

• A What is a one sample or single sample t?
• Back to board

36
T-test Basics--500

• A What is µ is not equal to 450?
• Back to board

37
Independent Samples--100

• A What is a between-subjects design?
• Back to board

38
Independent Samples--200

• A What is 1?
• Back to board

39
Independent Samples--300

• A What is pooled variance?
• Back to board

40
Independent Samples--400

• A What is n1n2?
• Back to board

41
Independent Samples--500

• A What is 20?
• Back to board

42
Z-scores--100

• A What is z -2.0 ?
• Back to board

43
Z-scores--200

• A What is z 0.00 ?
• Back to board

44
Z-scores--300

• A What is 1?
• Back to board

45
Z-scores--400

• A What are the population mean and the
  population standard deviation?
• Back to board

46
Z-scores--500

• A What is the samenegatively skewed?
• Back to board

47
Probability--100

• A What is
• of outcomes classified as A
• total of possible outcomes
• Back to board

48
Probability--200

• A What is random sampling?
• Back to board

49
Probability--300

• A What is the unit normal table?
• Back to board

50
Probability--400

• A What is the body?
• Back to board

51
Probability--500

• A What is the percentile rank and left?
• Back to board