You are watching: A _____________ is a graphical presentation of the relationship between two quantitative variables.
C. Data-ink is the ink provided in a table or chart that is important to convey the definition of the data to the audience
Tables need to be supplied whena. The reader require not to express to certain numerical values.b. The reader require not make specific comparisons between different values and also not just relativecomparisons.c. The values being presented have different units or very different magnitudes.d. The reader need not differentiate the columns and also rows.
C. The tables need to be supplied when the reader demands to refer to certain numerical values, once the reader needs to make specific comparisons between different values and also not just relative comparisons,and when the values being shown have different units or really different magnitudes.
A useful form of table because that describing data of two variables is aa. Data table.b. Balloon chart.c. Crosstabulation.d. Scatter chart.
A _____ is a graphical presentation the the relationship between two quantitative variables.a. Histogramb. Bar chartc. Pie chartd. Scatter chart
D. A scatter chart is a graphical presentation that the relationship between two quantitative variables.
A _____ is a heat that offers an approximation that the relationship between the variables.a. Line chartb. Sparklinec. Trendlined. Gridline
C. To achieve an approximate relationship between the variables, we include a trendline top top a scatterchart.
If the scatter chart indicates a positive direct relationship between two variables, then your correlationcoefficient isa. Same to -1.b. Better than 1.c. In between 0 and also +1.d. Between -1 and also 0.
C. If the scatter chart shows a positive linear relationship in between two variables, then your covariance is positive and hence, their correlation coefficient is between 0 and +1.
A line chart displaying the data values built up over a duration of time is termed as aa. Boxplot.b. Frequency graph.c. Period plotd. Time series plot.
D. Line charts are really useful for time collection data gathered over a duration of time (minutes, hours, days, years, etc.). Such line charts room often referred to as as time collection plots.
In order come visualize 3 variables in two-dimensional graph, we usage aa. 2-D chart.b. 3-D chart.c. Balloon chart.d. Tower chart.
C. A bubble chart is a graphical method of visualizing 3 variables in a two-dimensional graph and also is therefore, occasionally a preferred alternate to a 3-D graph.
A two-dimensional graph representing the data using different shades of color to indicate magnitude iscalled a ______.a. Warm mapb. Bubble chartc. Shaft chartd. Pie chart
A. A warm map is a two-dimensional graphical depiction of data the uses various shades of shade to indicate magnitude. Heat maps depend strongly on the usage of shade to convey details over various areas, throughout time, or both.
Consider the clustered bar graph of the dashboard occurred to monitor the performance of a speak to center:This chart enables the the manager toa. Recognize a particular kind of difficulty by the contact volume.b. Recognize a particular kind of problem by location.c. Recognize different varieties of difficulties (Email, Internet, or Software) in the speak to center.d. Determine the frequency that each difficulty in the speak to center.
B. The clustered bar chart mirrors the call volume in the call facility by type of problem (Email,Internet, or Software) for each of three cities in Texas. This chart allows the it manager to quicklyidentify if over there is a particular form of trouble by location.
A regression analysis involving one independent variable and also one dependent variable is described as a_____.a. Factor analysisb. Time collection analysisc. An easy regressiond. Data mining
C. A regression evaluation involving one elevation variable and one dependent change is described as a basic regression.
A straight regression evaluation for which any one unit readjust in the independent change is presume to:a. Have actually the same change in the dependence variable.b. Have actually no adjust in the dependency variable.c. Have an inverse effect on the dependence variabled. Have a nullifying effect on the dependent variable.
A. A regression analysis for which any kind of one unit readjust in the independent change is assumed to an outcome in the same readjust in the dependent change is referred to as a linear regression.
In the graph that the basic linear regression equation, the parameter β1 is the _____ the the regression line.a. Slopeb. X-interceptc. Y-interceptd. End-point
A. In the graph that the basic linear regression equation, the parameter β1 is the steep of the regression line.
When the average value of the dependent change is independent of variation in the live independence variable, the steep of the regression heat is _____.a. Positiveb. Zeroc. Negatived. Infinite
When the median value the the dependent change is independent of the sport in the elevation variable, the steep of the regression heat is zero.
The procedure of making use of sample data to uncover the approximated regression equation is much better known together _____.a. Point estimationb. Term estimationc. The the very least squares methodd. Extrapolation
C. The the very least squares method is a procedure for making use of sample data to find the approximated regressionequation.
Prediction the the worth of the dependence variable external the experimental region is dubbed _____.a. Interpolationb. Forecastingc. Averagingd. Extrapolation
D. Prediction of the worth of the dependent variable exterior the experimental an ar is called extrapolation.
What would be the value of the amount of squares due to regression (SSR) if the total sum that squares (SST)is 25.32 and the amount of squares as result of error (SSE) is 6.89?a. 31.89b. 19.32c. 18.43d. 15.32
The coefficient that determination:a. Bring away values in between -1 to +1.b. Is same to zero because that a perfect fit.c. Is equal to one for the poorest fit.d. Is offered to advice the goodness of fit.
D. The coefficient of determination (R-squared) is supplied to advice the kindness of fit for the estimated regression equation
What would be the coefficient of determination if the full sum that squares (SST) is 23.29 and the amount of squares due to regression (SSR) is 10.03?a. 2.32b. 0.43c. 13.26d. 0.89
Which of the following inferences have the right to be drawn from the scatter chart offered below?a. The residuals have actually a differing variance.b. The model records the relationship between the variables accurately.c. The regression model adheres to the F probability distribution.d. The residual distribution is consistently scattered around zero.
A. The sports in the residuals e rises as the worth of the independent variable x increases,suggesting the the residuals perform not have a continuous variance.
The complying with scatter graph would aid conclude that:a. The residuals have actually a continuous variance.b. The model fails to catch the relationship in between the variables accurately.c. The design underpredicts the worth of the dependence variable for intermediate worths of theindependent variable.d. The residual is normally distributed.
B. The residuals are confident for tiny and large values the the independent variable x but are an unfavorable for the remaining values that the live independence variable. This pattern argues that the straight relationships in the regression design underpredicts the value of dependent variable for tiny and largevalues that the independent variable and overpredicts the value of the dependency variable because that intermediate worths of the elevation variable. In this case, the regression version does not adequately capture the relationship in between the independent change x and the dependent change y.
Which that the following inferences have the right to be attracted from the scatter chart provided below?a. The residuals have actually a consistent variance.b. The model records the relationship between the variables accurately.c. The design underpredicts the worth of the dependence variable because that intermediate worths of theindependent variable.d. The residual distribution is not generally distributed.
D. The residuals in the given number are not symmetrically distributed around zero; countless of the an adverse residuals are reasonably close to zero, if the relatively couple of positive residuals often tend to be much from zero. This skewness argues that the residuals are not usually distributed.
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_____ is offered to test the theory that the worths of the regression parameters β1, β2, . . . , βq room all zero.a. An F testb. A t testc. The the very least squares methodd. Extrapolation
A. One F test is offered to check the hypothesis that the values of the regression parameters β1, β2, . . . , βq are all zero.