INSTRUCTIONS 1. Please read through the questions before you answer. Answer in full sentences where possible.  2. Good use of language and grammar is required. 3. Answer all the questions. 4. There is one file-upload question in this question paper. Make sure to have a blank piece of paper, a sharp pencil and colouring pencils at hand and a reliable scanner source. 5. Before you ‘submit’, please read through all your answers again. 6. The answers on this exam paper MUST be your own, original work. No work should be taken from other sources to answer the questions of this paper. 7. By beginning this question paper, you acknowledge that YOUR OWN WORK is required. You may not plagiarise. If you copy answers from other sources, you will receive a 0 mark.   All the best!

The daily high temperatures were recorded during a Texas winter, and are presented in the histogram below:Which answer choice best interprets the histogram? Hints: The sum of the frequencies = sample size if the tail is on the right -> skewed right if the tail is on the left -> skewed left

QUESTION 7: Contextual question Look at the following picture and answer all the following questions in full sentences. Click on the button below to open the picture for this question (Section B Question 7). The image will open in a new Internet tab DO NOT close THIS tab with your quiz on it, and carefully navigate between this tab and the tab with the image on it.  

The frequency of a photon that has an energy of 3.7 x 10-18 J is __________ s-1.

A researcher obtains a 95% confidence interval for the mean weight of newborn babies of (6.5 lbs, 8.5 lbs). Which of the following is the best interpretation of this confidence interval? Hint: It’s definitely NOT “ there is a 95% probability…” 

Calculate the P-value. What is the correct decision at the 0.10 significance level? Hints: Compute

Use the following data for problems #19- 20.   John rides his new scooter and records the number of miles he traveled at 10 minute increments. Time 0 10 20 30 40 50 Mile 0.0 2.3 4.4 5.7 8.2 10.0 Find the correlation coefficient and determine whether there is a linear relationship between the two variables.Hint: F: LineRegTTest  

A regional hospital is considering the purchase of a helicopter to transport critical patients. The relative frequency of X, the number of times the helicopter is used to transport critical patients each month, is created for a similarly sized hospital and is given in the probability distribution below. X 0 1 2 3 4 5 6P(X) 0.15 0.2 0.34 0.19 0.06 0.05 0.01Find the probability that the helicopter will be used at most 2 times to transport critical patients during a month. Then, determine whether this probability is unusual. Hint: At most (2) = x is less or equal to (2)

Which of the following statements would be a correct conclusion?   Hint: I can’t 

Weights of newborn babies are normally distributed with a mean of 7.5 lb and a standard deviation of 1.25 lb. A newborn whose weight is in the lowest 4% of the population is classified as low birth weight. Find the cutoff for the lowest 4% of birth weights. Hints: Find the Z score so that the area to the left of the Z score is .04 2nd -> Vars-> INVNORM(Area,