Find the mean, median and mode. b. If the value 15.75 was incorrectly written as 45.75, what measure of central tendency will be affected? Support your answer.
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- Use the Student Unit Load data. Student Unit Load 3, 12, 6, 9, 6, 12, 15, 12, 7, 9, 3 Find the mean, median, mode, range, standard deviation and variance. Use the range rule-of-thumb to find significantly high and low scores. Write the 5-number summary. Find the z-score for x = 15 Is x = 15 unusual in terms of a z-score?ANSWER ASAP FInd the following: mean, median, mode, variance, and standard deviation.(only if possible, preferably in minitab, but you can do it manually)
- Which is NOT a correct statement about mean, median, standard deviation, or interquartile range? a. Mean is more affected by changes in extreme observations b. Median is less affected by changes in extreme observations c. Standard deviation is less affected by changes in extreme observations d. Interquartile range is less affected by changes in extreme observations12. Stem and leaf Plot: (Sample )Variable: Gas $ Key: 12 = 1:2 1 : 2 2 : 3 : 4 : 5 : 55 6 : 7 : 88 8 : 9 12a. Use the above Stem and leaf plot and calculate the range. 12b. Use the above Stem and leaf plot and calculate the Quadratic Mean. 12c. Calculate the upper fence. 12d. Estimate the standard deviation.Given the set of data: {77, X, 75, 79, 79, X, 76, 75, X, 76}. If the unknown data X is the mode and the mean of the data set is 77.10. Determine the: (a) Mode (b) Median (c) Standard Deviation.
- State, with an explanation, whether the mean, median, or mode gives the best description of the following average. The average diameter of potatoes in a 10-pound bag Which measurement gives the best description of the given average? The v is the best because the distributionGabriel and Lucia took a road trip across the country. The room costs, in dollars, for their overnight stays are listed in the accompanying table. How many of the cost amounts are within one standard deviation of the mean? Click the icon to view the room costs in dollars. There are cost amounts within one standard deviation of the mean. (Type a whole number.) Room Costs ($) 70 100 140 185 195 200 215 220 225 290 310 315 D -Given that the mean and standard deviation are $24 and $3. Calculate the variance.
- I would like you to recheck these questions since there was a mix up with the standard deviation and the mean of the certified. A certified mechanic was timed for the repair of an automobile on 14 separate occasions. Over the same period a trainee mechanic was timed for the repair of a similar automobile. The times in minutes are given below. Certified 344 276 257 334 267 164 222 343 212 175 211 311 209 188 Trainee 222 342 178 234 398 232 377 211 309 190 351 343 177 269 a. Calculate a 99% confidence interval for the mean time taken to repair the automobile by the (i) certified mechanic (ii) the trainee mechanicQ21. For the Given values of 91.9, 84, 88.5, 86.8, 89.4,83.6, 80.2, 88.1, 88.5, 93.1 and 93.8 ,Calculate (i) Mean (ii) Algebraic Sum of deviation (iii) Variance (iv)Standard Deviation. i) Mean = ii) Sum of Deviation= iii) Variance = iv) Standard Deviation =