Consider the given raw data 12, 11, 15, 12, 10, 14, 8, 12, 10, 18. Compute MEAN * O 12 O 12.20 O 12.19 12.21
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- What is mean? What is median ? What is mode? 20 16 23 16 33 19 24 32 22 35 22 21 25 39 21 15 18 30 22 41 33 26 18 21 21 20 31 26 18 37 19 20 17 24 20 23 27 43 40 14 17 42 22 24 37 25 20 39 40 22 19 20 29 41 35 23 29 43 24 36 17 20 34 17 26 28 34 29 35 19 18 30 23 21 37 25 37 14 29 28 35 28 39 29 28 39 25 39 42 40 33 35 18 25 24 34 17 19 23 15 35 21From the following data set, which stem will have the longest leaf? (3, 6, 8, 8, 10, 13, 13, 15, 17, 19, 20, 24, 26, 26, 26, 31, 35, 37} 00 01 02 315. Research results suggest that IQ scores for boys Plomin, 2006). A typical study looking at 10-year-old are more variable than IQ scores for girls (Arden & size would be reported in a journal article. children classifies participants by gender and by low. average, or high IQ. Following are representing the research results. Do the data indicate a significant difference between the frequency distri- butions for males and females? Test at the .05 level of significance and describe the difference. hypothetical data 1 IQ Low Average High Вoys 18 42 20 80 Girls 12 54 14 80 n = 160 Int Ava
- 551. Kindly help me to answer this problem with complete solution. Thank you’An article included the accompanying data on 17 fish caught in 2 consecutive years. Year FishNumber Weight(g) Length(mm) Age(years) Year 1 1 777 410 9 2 581 368 11 3 540 357 15 4 647 373 12 5 537 361 9 6 892 385 9 7 674 380 10 8 782 400 12 Year 2 9 570 407 12 10 628 410 13 11 728 421 12 12 866 446 19 13 1,043 478 19 14 803 441 18 15 833 454 12 16 765 440 12 17 728 427 12 (a) Fit a multiple regression model to describe the relationship between weight and the predictors length and age. (Use x1 for length and x2 for age. Round your numerical values to two decimal places.) = (b) Carry out the model utility test to determine whether at least one of the predictors length and age are useful for predicting weight. Use a significance level of 0.05. Calculate the test statistic and find the P- value. (Round your answer to two decimal places.) F = P-value =
- Consider the following set of numbers, each of which represents the number of hours of "cramming" that 9 students put in the two days before an exam. 4, 6, 6, 8, 8, 8, 10, 10, 12. What is the mean number of hours that these 9 students crammed for the exam? 6. 7. 8. 6. O 10Which of the following is not an example for 'Descriptive statistics? a. There are 80 students who register in Managerial statistics subject. O b. There is only 1 absent in midterm examination of Managerial Statistics course. O c. There are 7 chapters in the course Managerial Statistics. O d. Statistics is considered to be a very old branch of knowledge.The following are the lengths of stay (in days) for a random sample of 20 patients discharged from a particular hospital: 13, 9, 5, 11, 6, 3, 12, 10, 11, 7, 3, 9, 2, 2, 10, 10, 12, 12, 8, 8 Send data to calculator Draw the histogram for these data using an initial class boundary of 1.5, an ending class boundary of 13.5, and 6 classes of equal width. Note that you can add or remove classes from the figure. Label each class with its endpoints. Frequency 6 5 4+ 3 2 1 0 0 0 Length of stay (in days) U 0 n 0:00 00:0 X Español K
- What are the correct intermediate steps of the following data set when it is being sorted with the bubble sort? 14,21,17,11 O A 14,21,11,17 - 14,11,21,17 - 11,14,21,17 - 11,14,17,21 11,21,14,17 - 11,14,21, 17 - 11,14,17,21 O B. 14,17,11,21 - 14,11,17, 21- 11,14,17,21 %3D OC. OD 14,17,11,21 - 11,17,14,21 - 11,14,17,21 - 11,14,17,217) Students in a class were divided in two batches of 10. One batch was given a quiz in the morning before their lectures and the same quiz was given to the other batch in the afternoon after their lectures. The quiz scores out of 10 are given below. Morning Batch Afternoon Batch Scores Scores 658.5 7 9 55 2.5 | 10| 10| 4.5 |5.5 9.5 6.5 10 8.5 7 8 Use the run test to determine whether the time of the quiz has an effect on the scores. 3Give the statistical meaning of the relationship between the spending hours on using mobile andreading books per day
