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

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

3) Inferential statistics enable you to :

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

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

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

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

9) 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

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

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

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

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

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

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

16) An r value of 0.80 indicates:

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

18) The dependent variable is also called except one:

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

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

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

22) The regression equation always passes through:

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

24) 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:

25) To compare two means we use:

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

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

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

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

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

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

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

33) The correlation coefficient is used to determine:

34) In correlation both variables are always?

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

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

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

38) R2 is used in regression analysis to:

39) A t-test is used to compare:

40) Computers are essential for quantitative data analysis because?

41) A scatter plot?

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

43) A discrete variable is:

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

45) Internal “validity” refers to:

46) 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:

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

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

49) Which of the following statements is true?

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

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

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

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

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

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

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

57) The null hypothesis states the means are:

58) In descriptive statistics our main objective is to:

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

61) The coefficient of determination, r2, indicates:

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

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

65) The null hypothesis states the means are:

66) 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:

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

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

69) The coefficient of determination (r2) is

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

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

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

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

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

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

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

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

78) Which of the following statements is false?

79) 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’:

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

81) To compare three independent means we use:

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

83) The coefficient of determination is the?

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

85) Correlation analysis aims at :

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

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

88) The term regression was used by:

89) Scatter diagram helps us to :

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

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

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

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

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

95) Correlation and regression are concerned with ?

96) A scatterplot is a ?

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

98) Scatter diagram is considered for measuring :

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

101) A qualitative variable:

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

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

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

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

106) Two variables have a positive association when?

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

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

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

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

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

112) The range of regression coefficient is:

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

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

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

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

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

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

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

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

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

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

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

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

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

131) The two forms of t-test are:

132) The coefficient of correlation

133) Inferential statistics are useful for:

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

135) Quantitative data refers to:

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

139) Inferential statistics enable you to :

140) Bivariate Data are the data collected for :

141) Correlation analysis is used to:

142) A perfect positive correlation is signified by:

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