The local coffee shop keeps track of how much coffee they sell versus the temperature on that day, here are their figures:   Sales in Php 1651 1757 1437 1525 1349 1231 Temp in Celsius 21.6 22.6 25 27.3 29.8 30.1     Suppose you want to create a regression equation that will predict the total sales in Php using the temperature of the day in Celcius, what is the total sales for the day in Php if the temperature is 31.5? Round your answers to the nearest hundredths.

Q: alyze the relationship between the hourly earnings and years of schooling.                    The…

A: Here we have to calculate prediction error. Prediction error can be defined as difference between…

Q: The table below shows the average weekly wages (in dollars) for state government employees and…

A: The data shows the average weekly wages for state government employees and federal government…

Q: Range of ankle motion is a contributing factor to falls among the elderly. Suppose a team of…

A: Introduction:Here, the response variable, y, is the range of ankle motion while wearing typical…

Q: The local coffee shop keeps track of how much coffee they sell versus the temperature on that day,…

A: Given: Sample size n = 6 Formula Used: The equation of regression line is: Y = a + bX Where, b is…

Q: Pre-Statistics and Statistics Course Grades: We recorded the pre-statistics course grade (in…

A: given data n = 60regression equation: introductory statistics grade = -0.147 + 0.981(pre statistics…

Q: do you need to add the days to the regression equation

A:

Q: Predictor Coef StDev t-ratio p-value   Constant 5491.38 2508.81 2.1888 0.0491   OIL…

A: Test statistics F is determined by dividing mean square for regressionMSRegression by mean square…

Q: Use the time/tip data from the table below, which includes data from New York City taxi rides. (The…

A: x is the predictor variable (time) y is the response variable (tip) Time(x) Tips(y) 27.00 0.00…

Q: B=Beef demand in pounds and P= Price of beef in Rs. Estimate the slope coefficient and interpret…

A: P (X) B (Y) (x-xbar) (x-xbar)^2 (y-ybar) (y-ybar)^2 (x-xbar)*(y-ybar) 20.4 85.1 -1.46 2.1316…

Q: e regression model. Table Q3: Number of items and produc Number of items (000) Production 21 40

A: a)  Scatter plot :

Q: A set of n = 5 pairs of X and Y scores has SSX = 6, SSY = 18, and SP = 42. What is the slope for the…

A: We have given that, X and Y scores has, SSX = 6, SSY = 18, SP = 42 and n = 5 Then,  We will find the…

Q: an you tell how old a lobster is by its size? This question was investigated by the authors of a…

A: Form the given information, Researchers measured carapace (the exterior shell) length of 27…

Q: Listed below are foot lengths (mm) and heights (mm) of males. Find the regression equation, letting…

A:

Q: Listed below are foot lengths (mm) and heights (mm) of males. Find the regression equation, letting…

A: Given data is x y 281.9 1785 278.3 1771 252.9 1675.9 258.7 1646.2 279.2 1858.8 258…

Q: Substitute into the regression model (equation)  to predict monthly sales if $6250 is spent on…

A:

Q: Question 23 For the data in the table, find the regression equation and then use it to answer the…

A:

Q: A patient is classified as having gestational diabetes if their average glucose level is above 140…

A: Given Information: A person is classified having gestational diabetes if their average glucose level…

Q: The average temperature in a certain city has a statistically significant correlation to the monthly…

A:

Q: Listed below are foot lengths (mm) and heights (mm) of males. Find the regression equation, letting…

A: xy282.21785.314.138.6875545.49375198.81277.81771.29.724.5875238.4987594.09253.01675.9-15.1-70.712510…

Q: The reason why estimators have a sampling distribution is that: |0|0|0| Economics is not a precise…

A:

Q: Height 1785.0 1770.9 1676.3 1646.0 1859.3 1710.1 1789.3 1737.2 regression equation is y=+x und the…

A:

Q: The table gives the average life expectancy, in years, of a child born in the given year:   Year…

A: Regression equation=? 2000=0 Means :  2005 = 5 2007 = 7 . .

Q: The explained variation in a regression model tells us: Whether the relationship is direct…

A: We tell you which one is the correct choice.

Q: A student performed data analysis to determine the relationship between the births attended by…

A: This is output of polynomial regression and the model Is Good fit. We can easily find a relationship…

Q: Listed below are foot lengths​ (mm) and heights​ (mm) of males. Find the regression​ equation,…

A: Given n=8

Q: Write the equation of the regression line. You can round your numbers to two decimal places. The…

A: The relationship between the independent and dependent variable explained using the regression…

Q: You want to estimate a model on car production (units) based on the previous year data on the number…

A: The model helps us to predict the future with respect to the data that we have collected till now.…

Q: The following data show the brand, price ($), and the overall score for six stereo headphones that…

A: The question is about Regression Given : Reg. eq. : y^ = 20.4185 + 0.3458 x   To find : a ) SST,…

Q: Run a regression where you control for “Promotion,” and test the effect of “Wins” on “Attendance”.…

A: The given data on wins is as follows;

Q: Refer to the data in the table: x y -3 0 -2 0 -1 1 0 1 1 3 2 4 Part a: Make a scatter plot and…

A: Data visualization is the process of denoting the numerical data visually. Data visualization can be…

Q: What is dependent and independent variables?  Fully write out the regression equation  Fill in the…

A: Regression equation helps in finding out the relationship between 2 or more variables. Given, Let FR…

Q: on the marks in Accountancy (Y) is 3 Y-5 X+180=0. The mean marks in Accountancy is 44 and variance…

A: n = 50 mean marks in Accountancy ,y = 44

Q: 23 An accountant monitors the number of items produced per month by a company, together with the…

A: Solution-: Let, X=Number of items (000') and  Y=Production costs (000') We have following table:…

Q: The chart below shows the correlation between degrees Fahrenheit and degrees Celsius. Part a: Make…

A: Since you have posted question with multiple subparts,we will solve first three subparts for you.To…

Q: Write your complete solutions and box your answers. Regression methods were used to analyze the data…

A: For the given data, We have to calculate change in mean pavement deflection by change 1 degree f in…

Q: Using the regression formula with a slope = .704 and an intercept = .719, what would the predicted…

A: given data  slope = 0.704 intercept  = 0.719 for x = 3.2 y^ = ?

Q: We would like to study the relationship between the number of family members in a household z and…

A: The given regression equation is y^=1.47-0.08x. In the regression equation x be the number of family…

Q: Based on the scatterplot and residual plot, what type of model would be appropriate for summarizing…

A: From the above plot  We have seen that  The all points are exactly near to straight line  So…

Q: ist was recording various temperatures (in degrees Celsius) and predicting the amount of glucose…

A: The general form of the regression line is: Y^=a+bXY Where Y^ is the predicted value, 'a' is the…

Q: The file Galton on D2L contains the 928 observations Francis Galton used in 1885 to estimate the…

A: Note: Hey there! Thank you for the question. As you have posted multiple sub-parts, we have solved…

Q: 2. The table below lists the annual land-line phone cost per costumer: Year 2012 2013 2014 2015 Cost…

A: The linear regression is used to fit a data set into a linear equation of the form: y=mx+b. The…

Q: A patient is classified as having gestational diabetes if their average glucose level is above 140…

A:

Q: Please no written by hand solutions 3. A researcher is interested in the correlation between a…

A: The regression line can be written as: Minutes of sleep = 150 - 5(age) To find the predicted…