A certain change in a process for manufacture of component parts is being considered. Samples are taken using both the existing and the new procedure so as to determine if the new process results in an improvement. If 75 of 1500 items from the existing procedure were found to be defective and 80 of 2000 items from the new procedure were found to be defective,

Q: Industry experience dictates that it is related to various factors of which the number of beds in…

A: From the above data.  Denote X as the number of beds Denote y is the admissions(100)

Q: What dot plot has a median of 5, a range of 10, and a mean of 5?

A: Explanation: Consider the data set is: 0, 5, 10 n = 3 Mean = 0+5+103= 153= 5 Median = n+12thterm=…

Q: Where is the line y=5-2x closest to the origin. Use optimization

A: Identify the point (x0, y0) on the line y=5-2x that is closet to the origin.

Q: What is needed to investigate the strength of a relationship?

A: We have to write What is needed to investigate the strength of a relationship.

Q: What does a range chart show you that you may not see in a chart plotting averages?

A:

Q: How does the standard error of the estimate measure? What is the formula for the standard error of…

A: From the given information we need to find the standard error of the estimate measure and the…

Q: Is all variation necessarily numerical?

A:

Q: How do I draw two straight lines for the appropriate data points and get the point of intersect?

A:

Q: What is a consequence of having a restricted range in how variables are measured?

A: first we see what is mean by restricted range  Restricted range:    Meaning of restricted range is…

Q: Why isn’t it important to distinguish between interval and ratio variables

A: Given that  Why isn’t it important to distinguish between interval and ratio variables?

Q: Explain briefly why “Interval Estimates” are important to managers.

A: Definition of interval estimates : For given sample data to calculate the interval or range  of…

Q: Answer the z-score problem, then graph for illustrations of answers.   Pat and Chris both took a…

A:

Q: The line of best fit through a set of data is y = 25.662 + 2.005x According to this equation, what…

A:

Q: Explain why the vertical-line test works.

A: Vertical line test: The vertical line test can be used to determine whether a graph represents a…

Q: Suppose that there is a negative relationship between grade point average and the number of hours…

A:

Q: Is it OK to say that a vertical line has no slope?

A: To determine: Vertical line has slope or not?

Q: What are the Ordinal Measures?

A: Ordinal  scale is the 2nd level of measurement that reports the ranking and ordering of the data…

Q: one percent of grades are greater than what z-score?

A:

Q: What is the slope of x = 6? If the slope is undefined, enter as your answer. Provide your answer…

A: x=6 line is a vertical line. It is parallel to y axis. Slope of y axis is undefined, so the slope of…

Q: For the data described, identify the level of measurement as nominal, ordinal, interval, or ratio.…

A: From the given question, Qualitative variable: it refers to that variable which can be measured…

Q: Mean is advantageous than the median because a. It is not influenced by extreme values

A: The mean is the average value of the data set and is computed by summing up all the observations and…

Q: Is an extreme observation necessarily an outlier? Explain your answer.

A: In general, extreme observation is the highest or largest value in the data set.

Q: For which of the x-values should you NOT attempt to estimate the y because of extrapolation? 20 60…

A: Given Information: From the given graph, the data points are, 9,1,41,3,55,4,69,5,75,5,83,6

Q: What is the equation of finding an estimate on a negative scatter plot

A: Here we want to find . equation of finding an estimate on a negative scatter plot

Q: what are the x values and y values used to plot the points?

A: We are required to solve the system of linear inequations4x+2y≥8y-4>x

Q: Explain the three properties of interval estimates.

A: A interval estimate refers to the probability that a population parameter will fall between two set…

Q: Explain the difference between a point estimate and an interval estimate.

A: From the given information, Estimator: An estimator is a formula that is used to estimate of…

Q: ach of the following variables can be measured using the nominal, ordinal, interval, or ratio scale…

A: 1. Ordinal variables are measured using nominal scales. For this case, Socioeconomic status can be…