The scatterplot shows the relationship between the number of hours of sleep a student gets the night before a test and their test score. Which equation best models the test score data for students who get between 1 and 4 hours of sleep, inclusive? A y=3.1x+64.8y is equal to 3 point 1 x plus 64 point 8 B y=64.8x+3.1y is equal to 64 point 8 x plus 3 point 1 C y=62x+4.1y is equal to 62 x plus 4 point 1 D y=4.1x+62

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?

What is the average diastolic blood pressure for adults

Atextile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 kilograms with a standard deviation of 0.5 kilograms. the company wishes to test the hypothesis upper h subscript 0 baseline colon mu equals 12 against upper h subscript 1 baseline colon mu less-than 12 using a random sample of n equals 4 specimens. calculate the p-value if the observed statistic is x overbar equals 11.8. round your final answer to five decimal places (e.g. 98.76543).