The test scores of 30 students are listed below. Find P81 31 41 45 48 52 55 56 56 63 65 67 67 69 70 70 74 75 78 79 79 80 81 83 85 85 87 90 92 95 99 O A. 67 O B. 85 ОС. 56 O D. 90

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. 261 271 236 244 279 296 284 299 288 288 247 256 338 360 341 333 261 266 287 296 313 311 307 307 299 303 277 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327 USE SALT For this problem, use five classes. (a) Find the class width. 25 236 261 286 311 336 (b) Make a frequency table showing class limits, class boundaries, midpoints, frequencies, relative frequencies, and cumulative frequencies. (Round your relative frequencies to two decimal places.) Class Limits Class Boundaries Midpoint Frequency I I I - 260 285 310 335 360 - Relative Cumulative Frequency Frequency

Here are seven ages of college students (in years): 30, 18, 44, 21, 22, 25, and 26. Find their median. a.) 25.00 b.) 26.57 c.) 8.60

Find P54  from the following data 9 19 21 29 34 37 42 46 48 49 53 58 62 63 65 66 68 69 70 73 81 82 83 87 92 P54 =

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. 261 271 236 244 279 296 284 299 288 288 247 256 338 360 341 333 261 266 287 296 313 311 307 307 299 303 277 283 304 305 288 290 288 289 297 299 332 330 309 328 307 328 285 291 295 298 306 315 310 318 318 320 333 321 323 324 327             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.)

The table below represents a sa distribution. 77 89 82 89 72 78 55 102 86 94 89 89 64 71 84 75 64 68 98 95

I only need Part D.

Consider the following 10 exam scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, and 85   what is the mode?

The mean of 5 numbers is 20. If one number is excluded their mean is 15. Then the excluded number is O a. 20 Ob. O b. 40 О с. 5 O d. 10

Find P39  from the following data 5 10 11 16 23 27 33 35 37 42 44 46 50 53 54 55 68 69 73 74 76 77 79 81 86 93 95 100     P39 =