1) A statistical technique that develops an equation that relates a dependent variable to one or
more independent variables is called:

2) The range of regression coefficient is:

3) The measure of how well the regression line fits the data is the:

4) If two variables have a correlation coefficient of .30, what percentage of one variable is
accounted for by the other variable?

5) The coefficient of determination (sometimes known as the regression coefficient) enables you to:

6) Which of the following are examples of continuous variables?

7) The correlation coefficient, r, can take on any value within what range?

8) Which of the following statements is true regarding a sample?

9) Scatter diagram helps us to :

10) The coefficient of correlation

11) If all the plotted points in a scatter diagram lie on a single line, then the correlation is :

12) The degree of linear association between two metric scaled variables is measured by:

13) When there is no linear correlation between two variables, what will the value of r be?

14) The percent of total variation of the dependent variable Y explained by the set of independent variables X is measured by

15) An alternative to statistical techniques for analysis of data to find patterns and trends is?

16) Which of the following statements is true?

17) Inferential statistics enable you to :

18) The coefficient of determination is the?

19) Let the coefficient of determination computed to be 0.39 in a problem involving one independent variable and one dependent variable. This result means that

20) Which of the following statements is false?

21) The difference between regression analysis and correlation analysis is (except one):

22) The null hypothesis states the means are:

23) In simple linear regression model Y = α + βX + ε where α and β are called

24) If the correlation coefficient is 0.8, the percentage of variation in the response variable explained
by the variation in the explanatory variable is:

25) A scatterplot is a ?

28) Computers are essential for quantitative data analysis because?

29) In correlation both variables are always?

30) The total variation explained by a regression model is given by:

31) 31. The value of the coefficient of correlation r lies between:

32) The regression equation always passes through:

33) The straight line graph of the linear equation Y = a + bX, slope will be downward If:

34) If there is a very strong correlation between two variables then the correlation coefficient must
be:

35) A t-test is used to compare:

36) Method is used to infer that the results from a sample are reflective of the true population
scores. ?

37) Scatter diagram is considered for measuring :

38) Correlation and regression are concerned with ?

39) The coefficient of determination (r2) is

40) A qualitative variable:

41) A procedure used to select a sample of n objects from a population in such a way that each
member of the population is chosen strictly by chance, each member of the population is equally
likely to be chosen, and every possible sample of a given size, n, has the same chance of selection
is known as:

42) A scatter plot?

43) Negative regression coefficient indicates that the movement of the variables are in:

44) In regression analysis, the variable that is doing the predicting or explaining is

45) To compare three independent means we use:

46) What does it mean when you calculate a 95% confidence interval?

47) If regression line of Y= 5, then value of regression coefficient of Y on X is:

48) When correlation coefficient is 1, all the points in a scatter diagram would lie?

49) In the regression equation Y = a + bX, b is called:

50) Which of these is not one of the four main reasons for missing data?

51) Because of the possibility of error in sampling from populations, researchers use:

52) The value we would predict for the dependent variable when the independent variables are all
equal to zero is called:

53) Two variables have a positive association when?

54) The correlation coefficient is used to determine:

55) In regression analysis, if the independent variable is measured in kilograms, the dependent
variable:

56) Which of the following statements regarding a researcher’s use of inferential statistics is
true?

57) If the coefficient of determination is 0.81, the correlation coefficient:

58) Which part of written report that can answer the research question?

59) When the p-value is greater than 0.05 we can conclude that:

60) The purpose of simple linear regression analysis is to:

61) 51. What is the slope of the line y = -3.4x – 2.5?

62) Internal “validity” refers to:

63) To investigate the association between two categorical variables we use:

64) Positive regression coefficient indicates that the movement of the variables are in:

65) If Y = 2 – 0.2X, then the value of Y intercept is equal to:

66) The mean, median, mode and standard deviation are examples of:

67) My estimated regression line is Y = 17 + 4X. The intercept is equal to:

68) if the correlation coefficient r = 0.5 then the coefficient of determination is?

69) The mean of a sampling distribution of a sample statistic is called :

70) R2 is used in regression analysis to:

71) If the value of regression coefficient is zero, then the two variable are called:

72) In the regression equation Y = a +bX, a is called:

73) Relationship between correlation coefficient and coefficient of determination is that?

75) If the value of any regression coefficient is zero, then two variables are:

76) An r value of 0.80 indicates:

77) Bivariate Data are the data collected for :

78) In regression analysis, the variable that is being predicted is

79) In the regression equation y = bo + bx, bo is the

80) If all the values fall on the same straight line and the line has a positive slope then what will be
the value of the correlation coefficient ‘r’:

81) The signs of regression coefficients and correlation coefficient are always:

82) Inferential statistics enable you to (Except one):

83) A process by which we estimate the value of dependent variable on the basis of one or more
independent variables is called:

84) When the p-value is less than 0.05 we can conclude that:

85) If the plotted points in a scatter diagram are evenly distributed, then the correlation is :

86) Correlation analysis aims at :

87) A coefficient of correlation is computed to be -0.95 means that

88) If the coefficient of determination is equal to 1, then the correlation coefficient:

89) If you have 20 pairs of subjects what would be the degrees of freedom for a test of correlation
between the groups of scores?

90) The best fitting trend is one for which the sum of squares of error is?

92) In regression analysis, the variable that is being predicted is the:

95) The dependent variable is also called except one:

96) The two forms of t-test are:

97) Inferential statistics are useful for:

98) 2. A relationship where the flow of the data points is best represented by a curve is called:

99) 1. The method of least squares dictates that we choose a regression line where the sum of the
square of deviations of the points from the lie is:

100) To compare two means we use:

102) A perfect positive correlation is signified by:

103) The coefficient of determination, r2, indicates:

104) In the regression equation Y = a+bX, the Y is called

105) When the two regression lines are parallel to each other, then their slopes are:

106) If the correlation coefficient is a positive value, then the slope of the regression line:

107) The slope of the regression line of Y on X is also called the:

108) In simple regression equation, the numbers of variables involved are:

109) Inferential statistics enable you to :

110) The step in the data analysis process is (EXCEPT ONE):

112) The straight line graph of the linear equation Y = a + bX, slope is horizontal if:

113) The term regression was used by:

114) Quantitative data refers to:

115) All data points falling along a straight line is called:

116) A Type I error occurs when the null hypothesis is:

118) The most commonly used formula to describe linear relationship is?

119) In the regression equation Y = a + bX, where a and b are called:

120) If the Pearson Correlation Coefficient shows zero value, it means that:

121) If a study is “reliable”, this means that:

122) If the plotted points in a scatter diagram lie from upper left to lower right, then the correlation
is :

123) An example of an experimental study is a(n):

124) Which Statistical software come with appropriate table, graph, and/or chart-building
features to easily convert tabular data into a variety of formats.?

125) The value of the coefficient of determination (r2) ranges between

126) The predicted rate of response of the dependent variable to changes in the independent variable
is called:

127) Correlation analysis is used to:

128) In the regression equation y = bo + b1x1, b1 is the

130) Which of the following requirements for a scientific report writing may depend on your
institution (EXCEPT ONE)?

131) The null hypothesis states the means are:

132) Inferential statistics is a process that involves all of the following EXCEPT:

133) A discrete variable is:

135) If a researcher conducts a study in which the reading ability of a class of 20 second graders is
tested at the beginning and at the end of the year, the appropriate statistical procedure to
analyze the results would be:

136) The strength (degree) of the correlation between a set of independent variables X and a dependent variable Y is measured by

137) The arithmetic mean of the two regression coefficients is greater than or equal to:

138) In regression, the equation that describes how the response variable (y) is related to the
explanatory variable (x) is:

139) In descriptive statistics our main objective is to:

140) In simple linear regression, the numbers of unknown constants are:

141) The graph showing the paired points of (Xi, Yi) is called:

142) If the slope of the regression equation y = bo + b1x is positive, then

143) If two variables, x and y, have a very strong linear relationship, then: