Varying Temperatures thoughout the Months 80- 60- 40- November October February December January March Months May September April July June August Month April August December February January July June March May November October September
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- The temperature in one of the Middle East country is recorded in the table below on number of days and weeks in 2019. Days Week 1 Week 2 Week 3 Week 4 Day1 57 60 65 64 Day 2 51 56 60 62 Day 3 50 53 58 58 Day 4 56 61 68 70 Using the four period moving average and sequential numbering system starting with x=1 in period 1. Determine the median seasonal index of day 1: A. 92.615 B. 102.954 C. 98.024 D. 107.383Which of the following is not a good interpretation of a seasonal index of 1.26 for fall quarter sales? O a. Fall quarter sales are 26 perbent higher than the annual average. O b. Fall quarter sales represents 1.26 times the annual average. O c. Fall quarter sales represents an increase of 26 percent over last year's annual average. O d. Fall quarter sales average 126 percent of annual sales.The following chart gives the average monthly high and low temperatures in degrees Fahrenheit for Chillyopolis. What is the average low temperature in Chillyopolis during February, March, and April? Jan. Feb. Mar. Apr. May June July Aug. Sept. Oct. 44 Nov. Dec. High -13 - 7 5 15 26 60 54 41 20 2 - 6 Low - 30 - 21 - 9 - 3 14 37 45 47 35 15 - 9 15 ..... The average low temperature in Chillyopolis during February, March, and April is °F.
- of This frequency table depicts the average hours spent on social media use for students in PSY201 class. Hours Frequency 4 3.5 3 2.5 2 1.5 1 0.5 0 10 5 5 3 7 16 0 5 3 How many students spent at least 3 hours on social media in PSY201?(e) Test the hypothesis Ho : B1 = 10 versus H1 :ß, # 10 using a = 0.01. Ho and conclude the slope v 10 at a = 0.01. (d) Test the hypothesis Ho : Bo = 0 versus H1 : Bo + 0 using a = 0.01. Ho and conclude that the intercept be included in the model.Suppose that we want to determine if the average amount of timespent online by the students is lessthan 4.5 hours/day. To this end, weconduct a survey of students and askthem how long they spend online perday. We obtain the following results:4.1, 4.3, 4.3, 4.5, 4.6, 4.3, 4.1, 4.6,4.7, 4.6, 4.7, 4.1, 4.3, 4.3, 4.5, 4.6,4.3, 4.1, 4.6, 4.7, 4.6, 4.7, 4.5, 4.6,4.3, 4.1 Assume that the number ofhours spent online has a normal distribution. Test your hypot
- 3. The number of pounds of steam used per month by a chemical plant is thought to be related to the average ambient temperature (in °F) for that month. The past year's usage and temperatures are in the following table: Month Temp. Usage/1000 Jan. Feb. Mar. 21 Dec. 24 32 Apr. May June July Aug. 74 Sept. 62 Oct. Nov. 47 50 59 68 50 41 30 185.79 214.47 288.03 424.84 454.58 539.03 621.55 675.06 562.03 452.93 369.95 273.98 Assuming that a simple linear regression model is appropriate, fit the regression model relating steam usage (y) to the average temperature (x). (a) Find a 99% confidence interval for B₁. (b) Find a 99% confidence interval for B. (c) Find a 95% confidence interval on mean steam usage when the average temperature is 51°F. (d) Find a 95% prediction interval on steam usage when the temperature is 51°F.(b) Estimate the standard errors of the slope and intercept. Round your answer to three decimal places (e.g. 98.765) se B, Round your answer to two decimal places (e.g. 98.76) se(bo ) = I (c) Test the hypothesis Ho: B1 = 10 versus H1:ß1 + 10using a = 0.01. v Họ and conclude the slope 10 at a = 0.01. (d) Test the hypothesis Ho: Bo = 0 versus H1: Bo # 0 using a = 0.01. Họ and conclude that the intercept v be included in the model.7) A town's average monthly temperature data is represented in the table below Average Monthly Temperature, "F 25.4 Month, x January, 1 February, 2 March, 3 28.2 41.1 April, May, 5 56.5 74.7 June, 6 85.8 July, 7 August, 8 September, 9 89.1 83.8 83.8 October, 10 58.3 November, 11 41.5 December, 12 30.5 Find a sinusoidal function of the form y = A sin (wx - 0) + B that fits the data. %3D
- Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021 1-Nov 55 61 2-Nov 47 52 3-Nov 57 55 4-Nov 67 53 5-Nov 70 55 6-Nov 73 55 7-Nov 77 56 8-Nov 80 68 9-Nov 79 72 10-Nov 76 67 11-Nov 72 67 12-Nov 60 65 13-Nov 54 64 14-Nov 54 47 15-Nov 66 50 16-Nov 54 50 17-Nov 49 61 18-Nov 38 72 19-Nov 50 50 20-Nov 65 49 21-Nov 66 56 22-Nov 60 50 23-Nov 55 45 24-Nov 50 46 25-Nov 61 59 26-Nov 68 48 27-Nov 62 43 28-Nov 57 43 29-Nov 59 44 30-Nov 67 41 Find the mean, median, mode and range for each group.Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021 1-Nov 55 61 2-Nov 47 52 3-Nov 57 55 4-Nov 67 53 5-Nov 70 55 6-Nov 73 55 7-Nov 77 56 8-Nov 80 68 9-Nov 79 72 10-Nov 76 67 11-Nov 72 67 12-Nov 60 65 13-Nov 54 64 14-Nov 54 47 15-Nov 66 50 16-Nov 54 50 17-Nov 49 61 18-Nov 38 72 19-Nov 50 50 20-Nov 65 49 21-Nov 66 56 22-Nov 60 50 23-Nov 55 45 24-Nov 50 46 25-Nov 61 59 26-Nov 68 48 27-Nov 62 43 28-Nov 57 43 29-Nov 59 44 30-Nov 67 41 Test the hypothesis that the means are different (.05 significance)Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021 1-Nov 55 61 2-Nov 47 52 3-Nov 57 55 4-Nov 67 53 5-Nov 70 55 6-Nov 73 55 7-Nov 77 56 8-Nov 80 68 9-Nov 79 72 10-Nov 76 67 11-Nov 72 67 12-Nov 60 65 13-Nov 54 64 14-Nov 54 47 15-Nov 66 50 16-Nov 54 50 17-Nov 49 61 18-Nov 38 72 19-Nov 50 50 20-Nov 65 49 21-Nov 66 56 22-Nov 60 50 23-Nov 55 45 24-Nov 50 46 25-Nov 61 59 26-Nov 68 48 27-Nov 62 43 28-Nov 57 43 29-Nov 59 44 30-Nov 67 41 Please find the range and standard deviation