WebMar 10, 2014 · Mean height = (sum of heights of students)/ (Number of students) 150 = (sum of heights of students)/ (30) Hence, Sum of heights of students = 4500 cm Given one observation is wrongly copied as 135 cm instead of 165 cm Error in the entering the observation = 165 – 135 = 40 cm Hence correct sum of heights of students = 4500 +40 = … WebAug 2, 2024 · The height of a class of students in a school is said to follow Normal Distribution. We know that the domain of a random variable that follows Normal distribution is said to range from minus infinity to plus infinity. But height can never attain a negative value. So how can we say that height follows a Normal Distribution? distributions
In a class of 32 students, the mean height of the 14 boys is 1.56 ...
Web4.6 (25 reviews) Flashcards. Learn. Test. Match. ... Matthew wants to estimate the mean height of students attending his college. He records the heights of 100 randomly selected … WebMay 20, 2024 · The table shows the heights of 40 students in a class. a Calculate an estimate for the mean height of the students cm b Explain why your answer to part a is an estimate. Question. Gauthmathier5493. Grade . 11 · ... Feedback from students. Detailed steps (85) Excellent Handwriting (78) Write neatly (66) sims 4 most important mods
Solved The heights (in inches) of 19 female students in a Chegg…
Web13.The mean height of a class of 30 grade 6 students is 132 cm. If the height of the teacher is included, the mean height increases to 133 cm. What is the teacher’s height in m? 14.The mean number of points a soccer team has is 3 points after 3 games. A lose is 0 points, a tie is 1 point and a win is 3 points. WebThe distribution of students' heights in a class of N = 100 students is normal, with a mean height of u = 65 inches and a standard deviation o = 3. The shortest 10% of the class is … WebThe formula: can rewritten as: Total score = Mean × Number of students Total score of the original group = 65 × 20 = 1,300 Total score of the new group = Total score of the original group + scores of the 2 new students = 1,300 + 89 + 85 = 1,474 Number of students in the new group = Number of students in the original group + Number of new data rccb fi