The state test scores for 12 randomly selected high school seniors areshown on the right. Complete parts (a) through (c) below.14261230987699722833Assume the population is normally distributed.7307475456241441948(a) Find the sample mean.x=☐ (Round to one decimal place as needed.)n

Given data:1426, 699, 730, 624, 1230, 722, 747, 1441, 987, 833, 545, 948 n = 12 Solution:- The…

Answered: The state test scores for 12 randomly…

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 list below shows the ages (in years) of 10 people riding in a van to a math competition. Calculate the mean age of the people in the van. Round your answer to the nearest tenth of a year. Ages: 9, 14, 11, 15, 9, 14, 10, 13, 15, 37 Mean = ________ years (Please round your answer to the nearest tenth.) Median = _________ years (Please enter an exact answer.)
The weights, in pounds, of packages on a delivery truck are shown in the stem-and-leaf plot. Find the mean, the median, and the mode of the data, if possible. If any measure cannot be found or does not represent the center of the data, explain why. ... OA. The mean is 0 36 1 0347 2 2333669 3 045556789 4 01346 5 5 Key: 30=30 Find the mean. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. (Round to one decimal place as needed.) OB. The mean cannot be calculated because the sample size is too small. OC. The mean cannot be calculated because the data are at the nominal level of measurement. D. The mean cannot be calculated because there is an even number of data entries.
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The state test scores for 12randomly selected high school seniors are shown on the right. Complete parts (a) through (c) below. Assume the population is normally distributed. 1428 1228 980 698 725 831 723 742 550 624 1446 946 (a) Find the sample mean. x=enter your response here (Round to one decimal place as needed.)
The mean age of two people in a room is 20 years. A 50 year old person enters the room. What is the mean age of the 3 people in the room now 20 30 33.3 35 none of the above
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