1. Find the forecasting results based on each year (1991-1995) using the simple linear regression. 2. Find the forecasting results based on each year using the overall average (1991- 1995). 3. Calculate the MSE for each forecasting and for each method, and explain which

Q: 3. Find arithmetic average from the following data. 20 X: f: 10 15 25 30 35 4 6. 8

A:

Q: Consider the data in the following table: -1.0 -3.632 X u(x) O-3.2163 O -5.4931 O -6.9792 O 3.2163…

A: Consider the given…

Q: Construct the difference table from the given data    x 2 4 6 8 10 f(x) 4 50 196 478 956

A:

Q: For this grouped data set: Scores      |      Frequencies 30-34        |      7 25-29        |…

A: Given data : Scores Frequencies 30 - 34 7 25 - 29 9 20 - 24 14 15 - 19 10 10 - 14 8 5…

Q: the average of the following data is 16. 12 24 31 Select one: True O False CO

A: given data;   12,5,24,31,8average=16

Q: XF[80, 70, 80, 78, 81, 75, 77, 74, 77, 68] Ex, = 760 ; Ex = 57.928

A: Given, Xi = [80, 70, 80, 78, 81, 75, 77, 74, 77, 68] ∑Xi = 760∑Xi2 = 57.928 N = 10       To find,…

Q: The following data points represent the number of classes that each teacher at Broxin High School…

A: Given set of data points are 5,7,5,1,9,1,4,5,3,4,6

Q: The ages​ (in years) and weights​ (in pounds) of all wide receivers for a football team are listed.…

A: The coefficient of variation is the sample standard deviation divided by the sample mean. The higher…

Q: find mean of the data  52 54 75 45 12 27 16

A:

Q: The data below is the number of hours that people work per week at your job.  Construct the…

A:

Q: The population of rabbits in a forest has been recorded every decade since the year 1970. The…

A:

Q: Find the mean from the following data : 10 15 20 25 30 35 40 f 5 9 13 21 20 15 8 3

A:

Q: Which of the following is a true statement comparing the water bills of the two neighborhoods? More…

A: Histogram : It represents the data using bars.

Q: The following data set lists the high temperatures in Charlotte each day in October 2022. The data…

A: The given data is already arranged in ascending order58, 58, 60, 64, 66, 67, 67, 67, 68, 69, 69, 70,…

Q: find the mean for the following set of scores 2 7 9 4 5 3 0 6

A: The formula for calculating the mean is, The sum of  set of scores is,

Q: Find the interquartile range. Round your answer to one decimal place as needed. IQR = %3D

A: Based on the provided information, the following values are known.…

Q: Consider the following (x, y) data. 3 3 4 -4 -3 -3 -2 -2 -1 -1 1 1 2 2 -2.65| 2.65 -3.46 3.46 -3.87…

A: To find the regression coefficient ,we will use regression analysis in excel.

Q: The table shows the number y of Wal-Mart stores for each year x from 2008 through 2014.Sketch a…

A: The table shows the number y of Wal-Mart stores for each year x from 2008 through 2014

Q: Categorical binary , categorical ,  or quantataive

A: The objective of the question is to identify the types of variables that best describe the given…

Q: Noting that women seem more interested in emotions than men, a student in Experimental Psychology in…

A:

Q: The following tables shows beef production of the six largest beef producers in the world (2016…

A: Given the data of beef production of six largest beef producers in world.

Q: Find the range for the given data.   The amount that Jeremy has saved in each of the last six months…

A: We have given that  The amount that Jeremy has saved in each of the last six months is shown below.…

Q: A service station owner believes that equal numbers of customers prefer to buy gasoline on every day…

A: It is needed to test the whether the number of customers who prefers to buy gasoline on each day of…

Q: 6.3, 7.0, 7.5, 9.0, 7.7, 7.8, 7.1, 8.1 6.6, 7.2, 8.3, 8.5, 6.9, 7.7, 8.0, 7.3 8.6, 7.1, 8.7, 6.4,…

A: Given: The data given is as below 6.3 7 7.5 9 7.7 7.8 7.1 8.1 6.6 7.2 8.3…

Q: C C. The following data represent the average monthly temperatures for Washington, D.C. Month, x…

A: Month x average monthly temp January 1 34.6 February 2 37.5 March 3 47.2 April 4 56.5 May…

Q: The following data correspond to the grades obtained by the students of a course: 4,0 - 5,0 - 4,0 -…

A: 33   % F=frequencytotal frquency×100             f→frequency% C.F=C.FΣ…

Q: For which of the following sets of data should a stacked bar chart be used? The average height of…

A: Recall the following. A stacked bar chart is a graph that is used to break down and compare parts of…

Q: The following data contain the quantity (millions pounds) of U.S. domestic fish caught annually over…

A: forecasting

Q: onsider the following data: - 4 - 3 - 2 - 1 P(X = x) 0.2 0.1 0.2 0.1 0.4 Step 4 of 5: Find the value…

A:

Q: ail ridership during the summer months in the North-East is believed to be closely related to the…

A: R square is the measure used to estimate the variation explained in the regression model. It is also…

Q: What is the LSRL fequation or the given data? x 3 4 7 13 15 16 y…

A: Given   x    3     4     7     13     15     16     y    41     37     26     21     24     11…

Q: 7:- Fnd the given data: median I, 19, 12, 12,12,12,12,12,19.19,19, \2 18 18, 16, 8, 1हि, हि, ।उ,\3,…

A: (I). First we arrange the data in ascending order. Here n= 76  Median for even number of sample…

Q: For each test below, describe what it is used for and to what type of data does it apply. (a)…

A: Given: The terms provided are: 1) Rosner's test. 2) Grubb's test. 3) Dixon's test.   (a) Rosner's…

Q: Consider the following data. 0,-11,-11,- 11, -9, 0,0 Step 1 of 3: Determine the mean of the given…

A: Mean: The mean is the sum of observations divided by the number of observations. that is, Mean = x =…

Q: from the following 40 row data in the following table, find the Frequency bution Table, class…

A: A)   Frequency Distribution Table is constructed below:   Consider, the number classes as 10.…

Q: For the following data set, find Q1, Q2, Q3 and the interquartile range. 15, 12, 23, 15, 7, 8, 21,…

A: The following data has been given: 15, 12, 23, 15, 7, 8, 21, 10, 12, 14, 16, 24, 19