n HR manager wants to know if there is a difference between sexes (males and females) on number of years employed at his firm. Assume the data meets assumptions for a parametric test. Question: What is the scale of measurement of the dependent variable in this scenar

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A patient is classified as having gestational diabetes if their average glucose level is above 140 milligrams per deciliter (mg/dl) one hour after a sugary drink is ingested. Rebecca's doctor is concerned that she may suffer from gestational diabetes. There is variation both in the actual glucose level and in the blood test that measures the level. Rebecca's measured glucose level one hour after ingesting the sugary drink varies according to the Normal distribution with μ=140+5 mg/dl and σ=5+1 mg/dl. Using the Central Limit Theorem, determine the probability of Rebecca being diagnosed with gestational diabetes if her glucose level is measured: Once? n=5+2 times n=5+4 times Comment on the relationship between the probabilities observed in (a), (b), and (c). Explain, using concepts from lecture why this occurs and what it means in context.

Please help me with question d, e, f, g, h, and I. Thank you.

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Can you please help with 4.30 sulfur, the ocean and the sun? Only part A which is make a scatter plot that shows how DMS responds to SRD.

We can apply parametric tests, such as the t-test, to ordinal or ranked level of measurement. True or False True False

A company believes that the variation in the cost of a shipment can be explained by the weight of the package. A sample of 20 customer shipments was selected, and this scatter plot and regression line were obtained: Shipping y = 1.101x + 4.4995 r= 0.8764 30 25 20 15 10 5 10 15 20 25 Weight (Ib) a. Find r' and interpret the meaning of r in the context of this problem. b. Interpret the meaning of the slope in the context of this problem. c. Interpret the meaning of the y-intercept in the context of this problem. Explain whether or not it makes sense. d. Using the regression equation, calculate the expected cost of a package that weighs 11 lbs. e. Using the regression equation, find the weight of a package that cost $20 to ship. Cost (dollars)

Why this type of plot is used in analysing regression models

Plzz choose correct option of a) and b)