Mika studies if age correlates with the average number of hours of sleep, so she selected a random sample size of 6 and surveyed the needed data. The gathered data are given below. Is there a significant relationship between a person's age and the number of hours he or she sleeps?

Using the information below calculate the predicted value for Y for the given value of X. Y (Dependent Variable) = Cost of a house in thousands of dollars (i.e. Y = 1 means one-thousand dollars) X (Independent Variable) = size of the house in hundreds of square feet (i.e. X = 1 means one-hundred square feet)   yhat = 10 + 12.3*X   On average how many thousands of dollars will a house cost if it is 20 hundred square feet (round your answer to 4 decimal places)?

HW10Q8    P VALUE, CRITICAL VALUE, UPPER AND LOWER

Frequency 45 40 35 30 10 5 O 42 O 55 O no mode O 70 O 22 Use the histogram below to approximate the mode heart rate of adults in the gym. Heart Rates of Adults 55 60 65 70 75 80 85 Heart rate (beats per minute)

Here is a data set: 396 417 438 444 456 457 457 478 510 521 547 559 589 591 594 595 597 601 602 618 620 660 662 664 667 700 814 831 Construct a frequency distribution table for this data set. • Number of classes: 10 • Use a "nice" class width, such as a multiple of 5 or 10. Label classes using interval notation. o For example, if the class is 70-79, label it as (70,79]. The lower class limit should be a multiple of the class width. o For example, if the class width is 10, the lower class limit should be a number like 30 or 40 (depending on the data).

SON ********** b. Do the organic Dr. Stephanie Andrews (5) Researchers from the University of Miami found that a person's GPA in high school could be an indicator of how much that person will earn later in life. The chart below depicts the findings of the study. Average annual earnings in adulthood, by high school GPA Men $50,000 40,000 30,000 20,000 10,000 0 0.0 Women 0.5 1.0 1.5 2.0 2.5 HIGH SCHOOL GPA SOURCE: University of Miami GRAPHIC: The Washington Post. Published May 20, 2014 3.0 3.5 4.0 4 a. Consider the two variables, High School GPA and Average Annual Earnings in Adulthood. Which is dependent? b. Describe the relationship between High School GPA and Average Annual Earnings in Adulthood. Is the correlation positive or negative? (Write at least two sentences.) c. Does a person's High School GPA cause them to earn a certain salary in adulthood? Explain. (Write at least one sentence.) sta tement

Mathematics of Data Management, Analyzing One and Two Variable Data

Makeup Unit 7 Assessment Section 1 It mAD = 11z + 19 and mCD= . 13z - 1, find the value of x and the mCD C. D. mCD%=

How far a person travelled to get an ice cream at Scoops Parlour shop. This represents a discrete variable This represents a continuous variable

critical values plz