The owner of a moving company typically has his most experienced manager predict the total number of labor hours that will be required to complete an upcoming move. In an effort to provide a more accurate method, the owner has decided to use the number of cubic feet moved as the independent variable and has collected data for 20 moves in which the travel time was an insignificant portion of the hours worked. Use the data provided to complete parts (a) through (d) below. Click the icon to view the data table. a. Construct a scatter plot. Choose the correct graph below. ..... O A. OB. O D. 900- 60- 900- 60- 0- -> 0- 60 900 Cubic Feet Hours 60 900 Cubic Feet Hours b. Assuming a linear relationship, use the least-squares method to determine the regression coefficients bo and b. Cubic Feet Cubic Feet Hours

Q: When the height of the sand in a particular rectangular sandbox is leveled out then the height of…

A: The height of the sand box is proportional to the volume of the sand. When the height is 2.25 in the…

Q: Median household income sharply increased in 2015 by 5.2% but only grew by 1.8% in 2017 to $61,372.…

A: a) Assume the median income in 2016 is x.

Q: What is the level of data corresponding to a military rank (Lieutenant, Captain, Major)? interval…

A: What is the level of data corresponding to a military rank (Lieutenant, Captain, Major)? interval…

Q: What is the greatest constant of variation

A: I am attaching image so that you understand each and every step.

Q: ates. A one unit increase in magnitude represents ground shaking ten times as strong (an earthquake…

A: Given : depth magnitude depth magnitude depth magnitude depth magnitude 2.23 0.57 2.5 0.82 1.83…

Q: Find two z values so that 48% of the four decimal places, separated by a 0,0.

A: Given Data: Z is the standard normal distribution   P(-x<z<x)=0.48 P(z<x)=0.74

Q: The altitude of a triangle is increasing at a rate of 1 centimeters/minute while the area of the…

A: Given that  the altitude of a triangle increases at the rate of 1 cm/min while the area of the…

Q: The altitude of a triangle is increasing at a rate of 1 centimeters/minute while the area of the…

A: Given- The altitude of  a triangle is increasing at a rate of 1 cm/min. and the area of the triangle…

Q: Explain the difference between the positive, negative, and constant rate of change?

A: we need to explain the difference between the positive, negative, and constant rate of change.

Q: Plot the inversely proportional relationship given relating workers to time to make a pair of plants…

A:

Q: time of day measured in military time

A: Solution: Military time is based on a 24- hour's clock beginning at midnight (0000 hour's)  and ends…

Q: With 800 bacteria and doubles about every month. a. Describe the input variable. b. Describe the…

A: Solution : Given that : A sample of bacteria starts with 800 bacteria and doubles about every month.…

Q: percentage change, explain this to me.

A: Percentage change shows that change as a percent of the old value that is

Inverse Normal Distribution

The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.

Mean, Median, Mode

It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.

Z-Scores

A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.