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The data shown below consists of the price in dollars) of 12 events at a local venue and the number of people who attended. Determine if there is significant linear correlation between ticket price and number of attendees. Use a significance level of 0.10 and round all values to 4 decimal places. Ticket Price Attendence 6 239 10 148 14 101 18 77 22 64 26 57 30 54 52 34 38 51 42 51 46 50 50 50 Ho:p = 0 Ha: p=0 Find the Linear Correlation coefficient r= Find the p-value p-value = =
Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and the profits (in millions of dollars). Determine if there is significant linear correlation between advertising cost and profit. Use a significance level of 0.10 and round all values to 4 decimal places. Advertising Cost Profit 3 22 4. 20 5 23 6 22 7 24 8 27 9 25 10 26 11 28 12 32 Ho: p = 0 Ha: p = 0 Find the Linear Correlation coefficient r= Find the p-value p-value =
The table below show data that has been collected from different fields from various farms in a certain valley. The table contains the grams of Raspberries tested and the amount of their Vitamin C content in mg. Find a linear model that express Vitamin C content as a function of the weight of the Raspberries. grams Vitamin C content in mg 11.6 55 60 14.3 65 15.9 70 18.3 75 20.3 23.5 80 85 25.5 y = + A) Find the regression equation: Round your answers to 3 decimal places B) Answer the following questions using your un-rounded regression equation. mg (round to If we test 115 grams of raspberries what is the expected Vitamin C content? the nearest tenth)