Use a graphing calculator to create a scatter plot and find the line of best fit for the following data. Round to the nearest hundredth. x y 50 50 100 90 150 160 200 190 250 240 300 330 350 320 The equation for the line of best fit is y = +

These are the times, in seconds, that 15 members of an athletics club took to run 800 metres. 139 148 151 140 162 182 154 171 157 142 145 178 132 148 166 (i) Draw a stem-and-leaf diagram of the data. (ii) Find the median, the upper and lower quartiles and the interquartile range. (iii) Draw a box-and-whisker plot of the data.

The following data gives the number of hours 5 students spent studying and their corresponding grades on their midterm exams. Hours Spent Studying 1 3 4 5 6. Midterm Grades 69 81 87 90 96 Copy Data Draw a scatter plot of the given data. 国 Tables E Keypad Answer Keyboard Shortcuts Select a location in the chart to plot a point. Points can be moved by dragging or using the arrow keys. Select the Clear button to remove all points. 99 - 96 - 93 - 90 - 87 - 84 - 81 - 78 Clear 75 - 72 - 69 - 66 - 63 - 60 + 6 Hours Spent Studying Midterm Grades

which dot plot  represents these data?

Select the graph that shows the scatterplot of the data set. Y 4 1 -5 -3 1 - 5 - 1 1 7 - 5

Laila wants to create a data display to clearly show the median salary, the highest salary. and the lowest salary of the 685 employees at her company. She is trying to decide whether she should create a dot plot, a box plot, or a histogram of the salaries. A sample of the data is shown below. $25,745; $26,512; $27,322; $27.750; $29,820; $32,500; $35,448; $52,020; $63,485: $87,167 Which graph should Laila choose? Explain your reasoning by completing the sentences.Click the arrows to choose an answer from each menu. A dot plot Choose... option 1 would display the median, minimum and maximum clearly option 2. would not work well because there are too many different values  option 3 cannot be used to determaine the median  A box plot Choose... option 1 would display the median, minimum and maximum clearly option 2. might not show the minimum or the maximum  option 3 cannot be used to determaine the median  A histogram Choose... option 1 would display the median, minimum and maximum clearly…

Here are yesterday's high temperatures (in Fahrenheit) in 15 U.S. cities. 48, 50, 51, 52, 53, 54, 55, 55, 61, 62, 71, 72, 75, 76, 80. Notice that the temperatures are ordered from least to greatest. Make a box-and-whisker plot for the data. H +++D 55 60 65 70 80 Temperature 45 Continue 50 5₁ X Ś

Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014.

A researcher measures the relationship between education (in years) and investment gains (in thousands of dollars). Answer the following questions based on the results provided. SP = 16.25. a. Create a scatter plot of the data & Calculate r and r2b. Report results in APA style & What do results mean? Education Investment Gains 14 8 12 11 9 10 18 14

In a the is the line that best represents the direction of the data. scatter plot trend line pie chart ogive stem and leaf plot data histogram class