find 3rd quartile for given data 12,15,14,18,16,1,5,9,6,7,6,7,15,14,16,32,25,5
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find 3rd quartile for given data
12,15,14,18,16,1,5,9,6,7,6,7,15,14,16,32,25,5
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- find first and third quartile for ungroup data 63,52,42,10,11,23,38,94what is the first,second,third quartile and the outlier of 15,29,30,34,35,36,37,37,37,40,42,42,44,44,45,46,49,51,53,54?Consider a sample with data values of 19,20 , 25, 25,27 , 29 ,30 , and 36. Compute the 20th,25th,65th and 75th percentiles (to 2 decimal, if decimals are necessary). 20th percentile 25thpercentile 65thpercentile 75th percentile
- Customers waiting at Ellerton Bank have been complaining about the amount of time they must wait in line. Managers at the bank, beginning to investigate the problem, have recorded sample waiting times for 9 customers at the bank. Here are the 9waiting times (in minutes): 22, 5, 14, 5, 7, 17, 15, 19, 21 Send data to calculator (a) What is the median of this data set? If your answer is not an integer, round your answer to one decimal place. (b) What is the mean of this data set? If your answer is not an integer, round your answer to one decimal place. (c) How many modes does the data set have, and what are their values? Indicate the number of modes by clicking in the appropriate circle, and then indicate the value(s) of the mode(s), if applicable.The following data represent the annual salaries (in GHC) from some teachers in Ghana. 10,000, 11,000, 11,000, 12,500, 14,300, 17,500, 18,000, 16,600 19,200, 21,560, 16,400, 107,000 Use this information to answer questions 1 and 2. Compute the mean, median and mode, AP, What is the degrees of freedom multiply by the sample size in this case? Assume you work for the school board and do not wish to increase salaries, decide which one of the computations in (a) above would best support your position? Assume you work for the teachers’ union and want to raise salary for the teachers. Use the best measure of central tendency to support your position. Explain what an outlier is?…Problem: The number of misdirected luggage cases reported for 5 consecutive weeks at the domestic airport were: 4, 5, 7, 8, 61. Compute the Mean, Median, Range, Interquartile Range, Variance and Standard deviation.
- A cardiologist is interested in the mean recovery time of her patients who have had heart attacks. Suppose the cardiologist has a total of 52 patients and among those, 30 patients have had heart attacks. The study records 10 patients' recovery times, what is the sample size? 10 None of the above 52 3In a sample of employees at a company here were the number of days they were out (sick/personal/vacation days) last year: 1, 6, 19, 35, 5, 9, 8, 12, 2, 15, 7, 7, 11, 15, 0, 25, 20, 15, 19, 5 Using Minitab, find the following sample statistics (take a screenshot of your output from Minitab and paste it here): Mean = median = Standard deviation =IQR=Fund the mean and variance for the following sample data 12, 16, 11, 23, 9, 17, 12, 25
- The serum cholesterol levels (in mgdL) of 17 individuals are 242, 201, 235, 218, 230, 237, 254, 225, 208, 240, 247, 211, 259, 220, 198, 257, 244 Find 25th and 60th percentiles for these cholesterol levels. (If necessary, consult a list of formulas.)We predict that children exhibit more aggressive act after watching a violent television show. The scores for ten children were recorded before they watched a violent show and then after they watched a violent show. Aggression was measured in terms of number of aggressive acts (e.g. hitting, yelling, kicking etc). Sample 1 (after TV show): 5,6,4,4,7,3,2,1,4,1 Sample 2 (before TV show): 4,6,3,2,4,1,0,0,5,2 What is the critical value?A person is interested in studying the amount of time (in minutes ) people spend on social media in a day. The following data is collected from a sample of 12 people : 45, 60,25,55,75,90,100,120,105,80, 0 and 220. Does the data contain outlier(s)? Explain your reasoning. ( use empirical rule and use the quartile method to check ).
