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For the following exercises, consider this scenario: The population of a city increased steadily over a ten-year span. Thefollowing ordered pairs shows the population (in hundreds) and the year overthe ten-year span, (population, year) forspecific recorded years:
Predict when the population will hit 20,000.
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- The cost for board exam review services costs P11500, P11750, and P11250 for years 2018, 2019, and 2020 respectively. What is the range (in %) for this data?arrow_forwardA researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 21 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours: 8.8, 7, 9.8, 8.4, 7.8, 8, 9.6, 7, 8.2, 8, 8.6, 8.6, 8.7, 7.3, 8.6, 7.3, 8.3, 8.6, 8.9, 7.6, 7.9 Assuming the population standard deviation is o = 0.6, construct a 99% confidence interval for the average time it takes this species of bacteria to divide. x = 82 = Margin of Error: E = We are 99% confident that this species of bacteria takes, on average, between hours and hours to divide.arrow_forwardHelp me fast so that I will give Upvote.arrow_forward
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- A researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 15 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours: 6.3, 7.1, 8.7, 6.1,7.4, 7.5, 6.4, 7.8, 7.5, 4.4, 6.1, 7.1, 5.9, 5.9, 7.6 Construct a 95% confidence interval for the average time it takes this species of bacteria to divide. 6.787 1.0155 1.0155 te %3D 0.025 Margine of Error: E = 47.0947 We are 95% confident that this species of bacteria takes, on average, between hours to divide. hours and Question Help: D Post to forumarrow_forwardA researcher wants to know how long it takes, on average, for a certain species of bacteria to divide. She watches 15 cells through a microscope and times how long it takes them to divide. She obtains the following data, in hours: 6.3, 7.1, 8.7, 6.1, 7.4, 7.5, 6.4, 7.8, 7.5, 4.4, 6.1, 7.1, 5.9, 5.9, 7.6 Construct a 95% confidence interval for the average time it takes this species of bacteria to divide. S = %D Margine of Error: E = We are 95% confident that this species of bacteria takes, on average, between hours to divide. hours andarrow_forwardThe weather in Los Angeles is dry most of the time, but it can be quite rainy in the winter. The rainiest month of the year is February. The following table presents the annual rainfall in Los Angeles, in inches, for each February from 1965 to 2006. 0.2 3.7 1.2 13.7 1.5 0.2 1.7 0.6 0.1 8.9 1.9 5.5 0.5 3.1 3.1 8.9 8.0 12.7 4.1 0.3 2.6 1.5 8.0 4.6 0.7 0.7 6.6 4.9 0.1 4.4 3.2 11.0 7.9 0.0 1.3 2.4 0.1 2.8 4.9 3.5 6.1 0.1 a. Construct a stem-and-leaf plot for these data. b. Construct a histogram for these data. C. Construct a dotplot for these data. d. Construct a boxplot for these data. Does the box-plot show any outliers?arrow_forward
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