1) The coefficient of determination is the?

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

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

4) Computers are essential for quantitative data analysis because?

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

6) 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’:

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

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

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

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

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

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

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

15) A qualitative variable:

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

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

18) The correlation coefficient is used to determine:

19) The term regression was used by:

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

21) 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:

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

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

24) An r value of 0.80 indicates:

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

26) Which of the following statements is true?

27) R2 is used in regression analysis to:

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

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

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

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

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

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

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

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

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

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

39) The regression equation always passes through:

40) The range of regression coefficient is:

41) The coefficient of determination, r2, indicates:

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

44) A t-test is used to compare:

45) 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:

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

47) Which of the following statements is false?

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

49) Inferential statistics enable you to :

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

51) Inferential statistics enable you to :

52) The dependent variable is also called except one:

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

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

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

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

59) Correlation analysis is used to:

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

61) To compare two means we use:

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

64) Quantitative data refers to:

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

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

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

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

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

72) 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

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

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

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

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

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

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

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

80) The two forms of t-test are:

81) In descriptive statistics our main objective is to:

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

83) A scatter plot?

84) The null hypothesis states the means are:

85) 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:

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

87) Bivariate Data are the data collected for :

88) Scatter diagram helps us to :

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

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

91) A scatterplot is a ?

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

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

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

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

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

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

98) Inferential statistics are useful for:

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

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

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

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

103) Correlation analysis aims at :

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

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

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

107) Scatter diagram is considered for measuring :

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

109) The null hypothesis states the means are:

110) In correlation both variables are always?

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

112) The coefficient of determination (r2) is

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

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

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

116) Two variables have a positive association when?

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

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

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

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

121) A discrete variable is:

122) The coefficient of correlation

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

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

125) To compare three independent means we use:

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

127) Internal “validity” refers to:

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

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

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

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

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

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

136) Correlation and regression are concerned with ?

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

138) A perfect positive correlation is signified by:

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

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

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

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