(a) Find the class width. (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 4 decimal places.)
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(a) Find the class width.
(b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 4 decimal places.)
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- Given the information, A. find the class width B. Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 2 decimal places.)Organize the student’s heights in a frequency table of 5 classes with suitable class width (classinterval). (You have to construct a table with classes, frequency, cumulative frequency, relativefrequency, and percent relative frequency).The table below shows the frequency distribution for the number of minutes per week spent watching TV by 400 junior high students. With reference to this table: Viewing time (minutes) Number of students 300 – 399 14 400 – 499 46 500 – 599 58 600 – 699 76 700 – 799 68 800 – 899 62 900 – 999 48 1000 – 1099 22 1100 – 1199 6 The upper limit of the fifth class The lower limit of the eight class. The class mark of the seventh class. The class boundaries of the last class. The class interval size. The frequency of the fourth class. The relative frequency of the sixth class. The percentage of…
- Among fatal plane crashes that occurred during the past 70 years, 332 were due to pilot error, 63 were due to other human error, 265 were due to weather, 290 were due to mechanical problems, and 478 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? Complete the relative frequency distribution below. Cause Relative Frequency Pilot error nothing% Other human error nothing% Weather nothing% Mechanical problems nothing% Sabotage nothing% (Round to one decimal place as needed.) What is the most serious threat to aviation safety, and can anything be done about it? A. Weather is the most serious threat to aviation safety. Weather monitoring systems could be improved. B. Mechanical problems are the most serious threat to aviation safety. New planes could be better engineered. C.…ere is a data set: 334 337 346 309 339 335 333 364 326 333 310 317 356 295 326 308 387 364 365 307 312 321 362 345 347 325 343 367 Construct a grouped frequency distribution table (GFDT) for this data set. You want 10 classes with a "nice" class width. Your classes should be labeled using interval notation. Each class contains its lower class limit, and the lower class limits should all be multiples of the class width. In that the data appears to be discrete, use a closed-interval to label each class.Among fatal plane crashes that occurred during the past 70 years, 277 were due to pilot error, 61 were due to other human error, 123 were due to weather, 510 were due to mechanical problems, and 577 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? Complete the relative frequency distribution below. Cause Relative Frequency Pilot error nothing% Other human error nothing% Weather nothing% Mechanical problems nothing% Sabotage nothing% (Round to one decimal place as needed.)
- How long does it take to finish the 1161-mile Iditarod Dog Sled Race from Anchorage to Nome, Alaska? Finish times (to the nearest hour) for 57 dogsled teams are shown below. For this problem, use five classes. (a) Find the class width. (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Give relative frequencies to 2 decimal places.) (c) Draw a histogram. (graphs are same for this and d - refer to image) (d) Draw a relative-frequency histogram. (e) Categorize the basic distribution shape. a. skewed left b. mound-shaped symmetrical c. bimodal d. skewed right e. uniform (f) Draw an ogive.a.) Use the "2 to the k rule" to determine the number of classes. b.) Determine the class interval. c.) Develop a frequency distribution. d.) Draw the frequency polygon e.) Draw the "less than" cumulative frequency polygon.For the grouped frequency table shown below which shows salaries at a company (expressed in thousands), find the midpoint for the second row in the table: Salary Interval Frequency 19-29 12 30-40 15 41-51 9 m
- 1. What is the class width for a frequency distribution with 6 classes? 2. Find the class limits. 3. Find the class boundaries. 4. Find the frequencies.Here is a data set: 152 157 165 206 208 212 219 235 236 246 248 260 262 267 273 273 274 275 283 286 304 310 315 334 335 343 345 395 Construct a frequency distribution table for this data set. Number of classes: 10 Use a "nice" class width, such as a multiple of 5 or 10. Label classes using interval notation. For example, if the class is 70-79, label it as [70,79]. The lower class limit should be a multiple of the class width. For example, if the class width is 10, the lower class limit should be a number like 30 or 40 (depending on the data). Data range Frequency1. Create the frequency table of the data.