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A study was conducted to determine the amount of heat loss for a certain brand of thermal pane window. Three different windows were randomly subjected to each of three different outdoor temperatures. For each trial the indoor window temperature was controlled at 68 degree F and 50 percent relative humidity. The heat losses at the outdoor temperature of 20 degrees F were 86, 80, and 77. The heat losses at the outdoor temperature of 40 degrees F were 78, 84, and 75. The heat losses at the outdoor temperature of 60 degrees were 33, 38, and 43. Use the simple linear regression model to find a point prediction of and a 95 percent prediction interval for the heat loss of an individual window when the outdoor temperature is:
a) 30 degrees F
b) 50 degrees F
Linear Regression Generally, in two mutually related statistical series, the regression analysis based on graphic method. Under graphic method the values of X and Y variable
Question: (a) (i) Define the term multicollinearity. (ii) Explain why it is important to guard against multicollinearity. (b) (i) Sometimes we encounter missing values
discuss the advantages and disadvantages of measures of dispersions
Grouped Data For calculating mode from a frequency distribution, the following formula Mode = L mo + x W where,
The box plot displays the diversity of data for the age; the data ranges from 19 being the minimum value and 60 being the maximum value. The box plot is positively skewed at 0.57 a
give me question on mean is the aimplest average to understand and easy to compute
description
Comparison of the Principal Averages-Mean, Median and Mode The mean, median, and mode are located at the same point in a symmetrical frequency distri
Show how the Normal bin width rule can be modi ed if f is skewed or kurtotic. Examine the eff ect of bimodality. Compare your rules to Doane's (1976) extensions of Sturges' rule.
it is said that management is equivalent to decision making? do you agree? explain
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