Lower Class Limit 0 3 نيا 6 9 12 Upper Class Limit 2 5 8 11 14 Frequency 2 5 3 1 1 Determine the skewness if the data given is a sample.
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- I only need question 2 answered. Question 1’s are only there for reference.I need help with something regarding this problem. The National Sleep Foundation recommends that adults aged 18 to 64 get an average of 8 hours of sleep per night. A survey of sleep hours was taken during a Statistics class. The data is listed below: 4, 5, 5, 5, 5.5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10 Do we have enough evidence at the 0.05 significance level to say that statistics students tend to get less sleep than the recommended average of 8 hours per night? How would I get the degrees of freedom?10. If there are 12 numbers in a set of data, the 2nd quartile is the?* 2nd number 5th number 6th number average of 6th and 7th number
- Please helpBy using this set of data, how will do statistical inference by using R code? Thanks.Consider the following data. 14, 2, 8, 4, 11, 9 Step 1 of 3: Determine the mean of the given data. Step 2 of 3: Determine the median of the given data. Step 3 of 3: Determine if the data set is unimodal, bimodal, multimodal, or has no mode Identify the modes if any exist.
- Q/ Use the grouped frequency distribution table that yo have already done (in Tutorial No. 1) to calculate the following: (1) Mean (2) Median (3) Mode Notes: 1) Write first your frequency distribution table befor your answer. 2) Use table in your answer.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 10 customers at the bank. Here are the 10 waiting times (in minutes). 22, 11, 15, 15, 16, 12, 23, 20, 22, 10 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. 0 0 zero modes O one mode: two modes: O Dar andUsing the computerised till in a shoe shop, the manager can predict what stock to order from the previous week's sales. Opposite is the tabularised print-out for last week for men's shoes. Q4 Shoe size 5 8 9 10 11 frequency 9 28 56 70 56 28 a) The mean, mode and median for thiş data can be compared. For each of the following - statemeņts 'decide whether it is true or false. i) The mode for this data is 70. ii) The mean.is greater than the median for this distribution. ii) The mean, median and mode are all equal in this distribution. b) What percentage of customers bought shoes of the mean size from last weeks sales data: i) 30% ii) 70% iii) 0.273% or iv)27.3%?
- help please answer in text form with proper workings and explanation for each and every part and steps with concept and introduction no AI no copy paste remember answer must be in proper format with all working7,12,4,8,3,10,11,5,13,1,12,3,5,1,17,4,8,8,7,17,4,7,1,7,3,7,3,13,3,4,7,8,10,2,5,4,3,5,8 determine the median using the method for groped data analysis onlyAnswer question number five in picture please
