Statistics Quiz # 4

Instructions
Quiz: Statistics Quiz # 4
Subject: Inferential Statistic
Total Questions: 636 MCQs
Time: 636 Minutes

Note

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  • Results along with correct answers will be shown at the end of the test.
Statistics Quiz # 4
Question 1 of 636
00:00
  • P level is the probability of committing the Type I error, that is, rejecting H0 when H0 is _____

  • The science of predicting future events or the likelihood of any given event occurring is known as_____

  • The significance level in replication is _____

  • Most frequently what the experimenter thinks may be true or wishes to be true before he or she begins an experiment refers to_____

  • In signal to noise ratio the effect of a treatment is considered the signal and _____ is considered the noise.

  • Findings are considered statistically significant if the probability that we are wrong is _____

  • Trend is frequently reported when the data_____

  • When an experimenter incorrectly rejects the null hypothesis when it is true it is called type I error.

  • When an experimenter incorrectly rejects the null hypothesis when it is true it is called Type II error.

  • All are true about archival data except_____

  • Causal relationships should never be inferred from a correlational design or a correlational test statistic, although correlational relationships may suggest causal relationships.

  • Chi-square distribution is a theoretical sampling distribution that can be used to_____

  • Coefficient of determination is obtained by squaring the _____ coefficient.

  • A constant is a _____ value in a statistical formula.

  • Correlation is the _____ between two variables.

  • An assumption that a curved line best fits the graphic representation between two variables is known as _____

  • Degrees of freedom is a parameter that is equal to the _____ of observations or groups in a study minus some value(s) that limits the observations’ or groups’ freedom to vary.

  • All are true about heteroscedasticity except_____

  • Heteroscedasticity is a violation of homoscedasticity.

  • Least squares method is a method in regression that produces the single best-fitting line that predicts a _____

  • Linear relationship is a relationship in which a straight line best fits the bivariate distribution of two _____

  • Multiple regression analysis is a statistical procedure that measures the strength of a relationship between multiple independent variables and _____

  • A measure of the strength of a relationship between two continuous variables is known as_____

  • Phi Correlation is a measure of the strength of a relationship between_____

  • Point-Biserial Correlation is a measure of the strength of a relationship between_____

  • Regression analysis is a statistical procedure that measures the strength of a relationship between _____

  • Scatterplot is a graphic representation of the relationship of two _____ in correlational designs.

  • A statistical procedure where the focus is on the way one variable (y) varies based on how one other variable (x) varies is known as simple regression.

  • A measure of the relationship between two ordinal rankings of the same set of data is known as_____

  • Spearman’s Correlation is represented by the coefficient _____

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