.......... EconE Practise Test For MidTerms

EconE Practise Test For Upcoming MidTerms Good Luck!!! Name: Date: Campus: Supervisor: Out of the 4 choices, which can best represent the strongest liner correlation A) +0.9 B) +.88 C) -.92 D) -.18 A researcher wants to use a plot to be able to determine the relationship between two quantitative variables, which of the following is best? A) Scatter Plot B) Histogram 0) Bar Chart D) Box Plot E) Adrawing Identify the relationship between the speed of the car and the time it will take it travel 55 kilometres distance A) There is no relationship B) Curvilinear relationship C) Positive linear relationship D) Negative Linear relationship E) 55/100 x 100 If you want to predict the grades of university from high school grades, what would the university grades be called? Choose one of the following A) Predictor variable B) Response variable C) Casual variable D) Independent variable E) Dependent variable Identify the nominal variable example below A) Birth position in a family ( first, third, fourth) B) Grade point average (5.6, 8.5) C) Nationality of the car that an individuals owns (this could be German, Chinese) D) The number of friend a person has ( 4, 0, 2 ) E) Avariable A researcher wants to draw conclusions of the population which is based on a sample, what should the researcher use? A) Histogram B) Descriptive statistics 0) Inferential statistics D) Wikipedia E) Astatistical program If an experimenter wanted to manipulate the effect size of an experiment to be able to increase power, what variable below can that experimenter use to easily manipulate the increase of power? A) The sample size B) The beta level 0) The population parameters D) The sample mean E) The variance level Out of the 5 option listed below, which would not affect the power of the test A) Taking a different sample from the same population B) Increasing the level of significance 0) Increasing the sample size D) Using two-tailed test as opposed to one-tailed test E) Using a one-tailed test as opposed to a two-tailed test If an individual predicts that a woman will have a higher retrospective memory than a man, out of the 5 following options, what is this individual made? A) A guess B) A non-directional prediction 0) A twotailed prediction D) A one-tailed prediction E) A three-tailed prediction When conducting a t test for independent means you: A) Assume the medians of the two populations are equal B) Should use the population variance 0) Reject the null hypothesis if the t score is more extreme than the outot score D) Should use only the 0.1 significance level because of the greater power compared to a t test for dependent means E) Only look for errors conducted