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6. Please solve the following triangle using the given information.   B = 45°      b = 16cm      a = 18cm     Special Notes: Answers should be either an integer or rounded decimal to the hundredth place.  Work is required. Please do not include the degree symbol as Canvas will automatically mark it incorrect. 

The sum of the frequencies in the corresponding row or column are referred to as:

In a chi-square test of independence, the null hypothesis states that  ______.

What is the relative frequency associated with a score of 9 in the frequency distribution below? X f 10 2 9 3 8 3 7 5 6 2 5 3 4 0 3 2

If you were interested in studying the effects of varying preparatory instructions on the perception of pain during an injection, the instructions would be a(n) _____ variable and the amount of perceived pain would be a(n) ____ variable.

Please upload a pdf of your work for questions 3-12.  You work should be clear and legible.  This is the most important question to answer on the exam!    Please scan or take a picture of your handwritten work with a phone or device.  Airdrop or email it to yourself and cc: your teacher.    Find the file in your computer’s file explorer when you click “Choose a File”. (Do not drag and drop.) If you have trouble, please connect to Honorlock support by clicking the blue button with the speech bubble. They will help and document your attempt to correct the situation. Tell the support agent you are done with the test and are having trouble submitting your work. They will help you momentarily bypass the blocking program Honorlock uses to get your file uploaded properly. Remember: You are expected to make every effort to turn your work in before the exam closes. If your work is not uploaded during the exam, your teacher will contact you. If you know that there was a problem, email your teacher immediately and describe the situation and the steps that you took to correct it. Your teacher will consult the recording and Honorlock Support Log. Your proactivity and ability to explain your actions will ensure that the instance is not viewed as an Honor Code violation.

If two variables are unrelated in the population, the population value of chi-square will equal _____.

7. Calculate the measure of angle A if a = 29in, b=23in, and C=112°.   Special Notes: Answer should be either an integer or rounded decimal to the hundredths place.  Work is required. Please do not include the degree symbol as Canvas will automatically mark it incorrect. 

If three people are described to you as short, average, or tall, then the level of measurement would be ____.

Solve the following equations, finding all possible solutions on the interval [0,2π).  Be sure to label any extraneous solutions.  Your work for each problem must be clear and legible in your submission. Each problem is worth 3.5 points. Answers should be in radians. 4.