Page Page 3 of 7 b. In Vancouver the data are summarized in the following table. il mit stovig els aniwollo headed 3. The following data give the time (in minutes) taken by 25 students to complete a statistical test Time (in minutes) Below 30 30 to under 40 Number of students 2 4 CountdmuM Average 36 2.72 06 wols8 Median 2.51 Standard deviation 1.01 Minimum 1.25 02 robnu of 05 Maximum 4.89 03 19briu of 02 Lower quartile 1.88 Upper quartile 3.68 svods bns 08 Interquartile range 1.8 40 to under 50 3 M 50 to under 60 10 60 and above a. How many data points we have? [1 mark] b.1. What would be the shape of the boxplot (symmetric, right-skewed, or left-skewed)? [1 mark] b. What is the relative frequency for students who have completed a statistical test between 50 and 60 minutes (not including 60)? [1 mark] lationship betwe b.2. Considering above information, is 4.89 an outlier? Show your calculation. [2 marks]( Chem 1910 geibuloni ton) Pham I suoi ona vabnu es aris bersiamo aver estreoreq 1eriw.slame on the mean of the dayO c. Of the students in the sample, what percentage have completed the test under one hour. [1 mark] 4. A market researcher wants to estimate the average selling price (in dollars per 100 grams) of energy bars sold in a supermarket within different cities in BC. a. What is/are the variable/s of interest? Include the scale of measurement. [2 mark] PIC COLLAGE