Scatterplots for you!
Quiz by Tom Evanosky
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- Q 1/15Score 0The correlation seen in the graph at the right would be best described as:29no correlationwhat's a correlationnegative correlationpositive correlation
15 questions
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- Q1The correlation seen in the graph at the right would be best described as:no correlationwhat's a correlationnegative correlationpositive correlation30s
- Q2The correlation seen in the graph at the right would be best described as:negative correlationpositive correlationno correlation30s
- Q3The correlation seen in the graph at the right would be best described as:negative correlationpositive correlationno correlation30s
- Q4You are going to write an equation of a line for the scatter plot shown. What should you do first?find slope using (3, 4) & (4, 6)find slope using (1, 1) &(7, 8)connect the dotsdecide which two points give the most representative straight line30s
- Q5TRUE or FALSE: When data is graphed and a positive correlation is observed, the FIRST set of data is always causing the affect seen in the second set of data.TRUEFALSE30s
- Q6The scatter plot shows the temperature in relation to the number of visitors at the beach. If you predict the number of people that would show up at the beach to be 700, you would be:extrapolatinginterpolating30s
- Q7When making a scatter plot you should neverplot more than one y value for any x valuelabel the axesuse graphing softwareconnect the dots30s
- Q8If you were asked to interpolate information from this graph, you would have to be careful to limit the temperature range to:between 82 and 96 degrees.temperatures 86 and 94 onlybetween 84 and 94 degreesthere is no limit when interpolating data30s
- Q9Another term for line of best fit is:trend lineslopescatter plottangent line30s
- Q10Prepare a scatter plot for the following data. Determine from your graph whether there is a correlation between the number of hours spent in the mall and the number of dollars spent.PositiveNoneNegative30s
- Q11The following chart shows the prices of gasoline and milk at a local convenience store for a period of three weeks. Examine this data for correlation between the price of gasoline and milk. What do you think the correlation is between these two?No, negativeNo, positiveYes, positiveYes, negative30s
- Q12Which situation describes a situation that is NOT a casual relationship?The rooster crows as the sun rises.The faster the pace of the runner the quicker the runner finishes.The more powerful the microwave the faster the food cooks.The more miles driven, the more gas needed.30s
- Q13What can be said about a student's study habits based on their grade point average?Low GPA comes from too much snackingI'm the dot in the lower left cornerHigher grade point average involves more hours studyingThose students on the right need to get out more.30s
- Q14Which scatter plot best represents the data pairs: (10,2); (40, 10); (15, 5); (5, 3); (55, 9); (30, 8); (25, 6)CDAB30s
- Q15Given in the table and scatter plot are the number of negative consumer reviews and the number of smartphones sold. Pick two points from the line of best fit and determine the equation for the line of best fit.y = -8x + 1000y = -1150x + 8y = -8x + 1150y = 8x + 115030s
