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- 5. The female students in an undergraduate engineering core course at UH self-reported their heights to the nearest inch. The data is as follows. 62 64 61 67 65 68 61 65 60 65 64 63 59 68 64 66 68 69 65 67 62 66 68 67 66 65 69 65 69 65 67 67 65 63 64 67 65 First construct the frequency distribution Table like Table 6-4 on Page 213 of textbook where you only need to specify the classes/bins, frequency info. Then using the table to create the histogram; here let the height of rectangle (for each bin) equal to the frequency instead of relative frequency in your histogram even though you can also set the height as the relative frequency. Hint: create the frequency distribution table by hand, but you can create the histogram in Excel and insert the result as a figure.The number of daily proposals received by a developing country's government from enterprises interested in winning a contract for the construction of a new port facility is listed below. 2 3 2 4 3 5 2 1 6 4 7 2 5 1 6 Find , Q1, , , Q2, and Q3. Find interquartile range. Construct a boxplot and comment on the distribution.A class of undergraduate mechanical engineering students was surveyed. Respondents were asked about their political alignment. Of the 340 students who answered that question, 45 declared being conservative, 126 aligned with liberal ideology and 169 saw themselves as moderate. i) Give a frequency table for these data on political alignment. ii) Show how to obtain the corresponding relative frequency distribution and write a short sentence describing it. iii) How many modes do you see? What might explain this? iv) Is the shape symmetric, skewed right or left? What might explain this? Finally, in that same survey, respondents were asked to pick a random number from 1 to 9. v) What type of shape do you expect to see for a histogram displaying their answers and why?
- COMPUTE RANGE * From the 50 scores below, 48 56 53 60 43 65 62 72 38 66 32 37 60 49 56 62 73 63 52 52 38 42 56 71 48 59 42 55 66 63 70 35 39 67 32 48 37 38 39 73 63 50 48 50 44 50 52 43 42 70 50 41 32 73Let p be the population proportion for the following condition. Find the point estimates for p and q. Of 952 children surveyed, 108 plan to join the armed forces in the future. Part 1 The point estimate for p, p^, is ___ The point estimate for? q,q^, is ___Q2. Determine True or False for the following statements: A) Nominal data is the highest form of data level hierarchy. (T or F) B) Interval data has a real zero. (T or F) C) Systematic sampling is the type of statistics sampling techniques. (T or F)
- In a secondary school, a survey was carried out in which we wanted to know the number of hours that students dedicate to study in two semesters. The following results were obtained: a) Prepare a table by class intervals, with 7 intervals that complies with the two Sturges rules b) Include in the table Class Mark, Absolute Frequency, Accumulated Frequency, Relative Frequency and Accumulated Relative Frequency. c) Determine the Central Tendency Measures (Average, Median and Mode). d) Determine the dispersion measures (Range, Variance and Standard Deviation) e) Calculate the 78th percentile f) Calculate kurtosis index g) Calculate Fisher's skewness indexQ44. The points for drawing the less than ogive curve is given below. (7,6), (14, 11), (21, 18), (28, 30), (35, 45), (42, 55), (49, 63), (56, 67), (63, 70) a) Construct the frequency distribution. b) Find the number of observation less than 42. c) Find the number of observations more than 28.
- Suppose you compile all possible samples of 25 children of preschool age in your school district. If you calculate the mean of each sample (M) and create a frequency distribution of these means, this distribution is referred to as theAverage monthly wages (per employee) in 4 sectors of an economy are as follows: industry: 2000 dinars, building: 2200 dinars, agriculture: 1500 dinars, services: 1800 dinars. Number of people employed in the four sectors are 5 million, 2 million, 6 million, and 2 million, respectively. Using the concept of harmonic mean compute the average monthly wages in the economy under consideration.Let p be the population proportion for the following condition. Find the point estimates for p and g. d. In a survey of 1595 adults from country A, 568 said that they were not confident that the food they eat in country A is safe. The point estimate for p, p, is (Round to three decimal places as needed.) The point estimate for q, q, is (Round to three decimal places as needed.) Next 58°F Sunny ^ E 同回 F10 F8 F11 F12 F7 H. K.