Here is a table of scores on a literacy test. What is the range? 2 25 46 60 69 85 98 Answer:Here is a frequency table summarising an airport's weekly passenger data {thousands} for a sample of weeks over the past three years: Weekly Passengers (000's) Frequency [10:15] 7 (15, 20] 10 (20: 25] 8 (25, so] 21 For what fraction ofweeks were passenger numbers less than or equal to 15 thousand? Please give your answer to two decimal places, {NOT as a percentage). Answer: Here is a frequency table of the billing amount for a given week {$000} for a sample of medical practices in metropolitan Adelaide: Billing amount ($0005) Frequency {0. 20] 12 [20, 40] 25 [40, 60] 5 [60, 80] 4 (80, 100] 23 How many medical practices in this sample, had a weekly billing amount of more than $40,000 but less than or equal to $80,000? Answer: A random sample of house selling prices in a Brisbane suburb is listed below {3000's}: 497 3397 434 2895 3066 What is the mean house price for this sample? Please give your answer to two decimal places. Do NOT include 5000 in your answer. Answer: The following contingency table shows the results of a random survey of age and attitude to increasing the legal driving age to 21 years. Agree Disagree Unsure Total Under 25 years 75 10 59 F34 25 up to 50 27 38 59 F24 years Over 50 years 84 42 21 I4? Total 3'86 90 129 405 For this sample; what is the probability that a person is over 50 years OR disagrees with increasing the legal driving age? Please give your answer correctly rounded to two decimal places. Answer: State the value of the median for this sample of data: 13 'I1 2 19 7 Answer: Weights of bags of sugar, X in kilograms (kg), from a manufacturer, are normally distributed with a mean of 'I kg and standard deviation of 0.36 kg. Calculate the 2 score for a bag weighing 1.12 kg. Please give your answer to two decimal places. Answer: ' l Suppose that data collected from sales reports on the transaction spend at a popular vegan eatery in Byron Bay is normally distributed with a mean of $100 and standard deviation of $32. Find the Zvalue for a transaction spend of $1.28. Please give your answer to two decimal places. Answer: Here is a sample of data: 4 4 Which of the following is the standard deviation? O a. 1.41 O b. None of these choices is correct. O c. 3.00 O d. 1.73 O e. 2.00Which of the following best describes the features of the normal distribution? A) Continuous/asymptotic (graph never touches the x-axis), unimodal, asymmetric (not symmetric) and bell-shaped curve O D) Bimodal at the centre, bell-shaped curve and continuous B) Continuous/asymptotic (graph never touches the x-axis), unimodal, symmetric, and bell-shaped curve O C) Unimodal, symmetric, extended tails and U-shaped curve O E) None of the above