A café owner records the number of hours of sunshine and the number of ice-creams sold for 10 days. The results are shown in the table. Day 1 2 Hours of 12 0 sunshine Number of 150 5 ice-creams sold 160- 140- 3 3 35 35 120 100- Number of ice-creams 80- sold 60- 40- 201 0 4 5 6 7 8 9 10 6.5 6 4.5 4 8 10 5 86 +2 72 X ☑ * 56 56 38 38 * 120 127 74 4 6 8 10 12 14 16 Hours of sunshine (a) Complete the scatter diagram. The first 8 points have been plotted for you. (b) What type of correlation is shown on the scatter diagram? (c) On the scatter diagram, draw a line of best fit. (d) The weather forecast predicts 7 hours of sunshine for tomorrow. Use your line of best fit to estimate the number of ice-creams that will be sold tomorrow.

79% of 67 miles is what?

Rock Solid Gym offers several levels of membership status. All customers start at the bronze status. One day, the membership coordinator took a sample of members of the gym. She found that 17 of the 28 members she sampled had bronze status. The gym had 640 members on that day, and 370 of these members had bronze status. For the membership coordinator's sample, find and write with proper notation the population proportion and sample proportion of members who had bronze status. Write the proportions as decimals (not percentages) rounded to two decimal places. (a) Population proportion: (Choose one) ▼ (b) Sample proportion: (Choose one) V =||

The numbers below show salmon population’s decrease since 1960. salmon = {{0, 10.02}, {5, 10.00}, {10, 7.61}, {15, 3.15}, {20, 4.59}, {25, 3.11}, {30, 2.22}}; TableForm[salmon, TableHeadings → {None, {"Years (after 1960)", "Salmon (mil)"}}] Years (after 1960) Salmon (mil) 0 10.02 5 10. 10 7.61 15 3.15 20 4.59 25 3.11 30 2.22 Pair like (10,7.61) shows there were 7.61 million salmon in 1970. Why 1970? Because t (the number in the left column) is number of years after 1960. A pair like (10, 7.61) is called a data-point. Because it shows some data (information), and geometrically it is a point (it has two numbers). A row in our table gives us a data-point. S1. Plot the data = create a scattergram.S2. Show the graph of a line that comes close to the points in your scattegram.The line might also be known as Best fit line, Regression Line, or Least-squares regression line.S3. Find the equation of a linear function connecting S, salmon population (in millions), with t, yearssince 1960.It is OK…

Calculate the average job gains using the numbers you obtain, 36,239.

Rock Solid Gym offers several levels of membership status. All customers start at the bronze status. One day, the membership coordinator took a sample of members of the gym. She found that 16 of the 35 members she sampled had bronze status. The gym had 770 members on that day, and 390 of these members had bronze status. For the membership coordinator's sample, find and write with proper notation the sample proportion and population proportion of members who had bronze status. Write the proportions as decimals (not percentages) rounded to two decimal places. (a) Sample proportion: (Choose one) ▼ (b) Population proportion: (Choose one)

(£x) ^2 for the scores 1,5,4

Ten out of every 32 people surveyed play among use. What percent of people surveyed play among use

The boxplot below shows the precipitation in Chicago, IL (in inches) over the past 30 years. In how many of those years was the rainfall between 32.0 and 49.4 inches?

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