Frequency DistributionThe following data represent the lQs of 50 police applicants who passedthe 1st screening test. Construct a frequency distribution.120118110112120116107120115109117110112114113108112118100125121120111111120110114117127126115117122110105113118118134104111122114109118119118124105134

Procedure to obtain frequency distribution table using Excel: Enter the data in an excel sheet.…

Answered: The following data represent the IQs of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The heights (to the nearest inch) of 30 males are shown below. Construct a frequency distribution and a frequency histogram of the data using 5 classes. Describe the shape of the histogram as symmetric, uniform, negatively skewed, positively skewed, or none of these. 67 76 70 68 72 68 65 63 76 69 66 72 66 66 69 73 62 62 71 73 70 72 71 65 68 66 74 72 68 69 ... Question content area right Part 1 Construct a frequency distribution of the data using 5 classes. Use the minimum data entry as the lower limit of the first class. Use the smallest whole number class width possible. Class Frequency Midpoint enter your response here –enter your response here enter your response here enter your response here enter your response here –enter your response here enter your response here enter your response here enter your…
An amusement park keeps track of the percentage of individuals with season passes according to age category. An independent tourist company would like to show that this distribution of age category for individuals buying season passes is different from what the amusement park claims. The tourist company randomly sampled 200 individuals entering the park with a season pass and recorded the number of individuals within each age category. Age Category Child (under 13 years old) Teen (13 to 19 years old) Adult (20 to 55 years old) Senior (56 years old and over) Number of Individuals 56 86 44 14 The tourist company will use the data to test the amusement park’s claim, which is reflected in the following null hypothesis. H0:pchild=0.23H0:pchild=0.23, pteen=0.45pteen=0.45, padult=0.20padult=0.20, and psenior=0.12psenior=0.12. What inference procedure will the company use to investigate whether or not the distribution of age category for individuals with season passes is…
The following data represent the amount of time (in minutes) a random sample of eight students took to complete the online portion of an exam in a particular statistics course. Compute the mean, median, and mode time. 65.9, 78.7, 86.4, 105.5, 128.4, 98.5, 94.7, 122.5 Compute the mean exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Compute the median exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. Compute the mode exam time. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
The 50th percentile for the following data is 65, 70, 67, 75, 89, 80 of O a. 75 O b. 72.5 О с. 67 O d. 80 EVIOUS PAGE
Use the following data, which represent the English placement test scores of a sample of 30 students, to construct a frequency distribution with a first class of 472 – 492. Placement Test Scores Number of Students 472 - 492 529 527 476 532 588 493 – 513 488 494 559 492 483 514 - 534 555 565 519 541 516 574 482 500 474 541 535 – 555 573 543 595 580 488 556 – 576 514 528 488 524 559 577 - 597
The following items represent the number of birds observed at a given feeder over the past several days. What is the mean number of birds to visit that feeder? 96, 76, 54, 64, 7, 32, 72
The table below has a total of 82 values. Find the median for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 40 44 5 45 49 9 50 54 4 55 59 3 60 64 8 65 69 12 70 74 10 75 79 18 80 84 13 median =
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The average final exam score for the statistics course is 43%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is larger. The final exam scores for the 19 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 54, 38, 45, 47, 42, 42, 48, 38, 56, 51, 46, 41, 43, 41, 37, 40, 53, 43, 43 Copy to clipboard What can be concluded at the = 0.05 level of the significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answer H1: ? Select an answer c. The test statistic ? v (please show your answer to 3 decimal places.)
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The following data represent the IQs of 50 police applicants who passed the 1st screening test. Construct a frequency distribution.