SpletTranscribed Image Text: 1. For 50 students of a class the regression equation of marks in Statistics (X) on marks in Mathematics (Y) is 3Y - 5X + 180 = 0. The mean marks in Mathematics is 44 and variance of marks in Statistics is times of the variance of marks in Mathematics. Find the mean marks in Statistics and the coefficient of correlation ... Splet17. dec. 2024 · The mean weight of 500 college students is 70 kg and the standard deviation is 3 kg. Assuming that the weight is normally distributed, students who weigh …
The mean weight of a class of 20 students is 48 kg. Two more …
Splet/ask/question/the-mean-weight-of-25-students-of-a-class-is-60-kg-if-the-mean/ SpletThe mean weight of a group of seven boys is 56 kgs. The individual weights in kg of six of them are 52, 57, 55, 60, 59 and 55. Find the weight of the seventh boy. [2 MARKS] Login. Study Materials. NCERT Solutions ... The mean weight per student in a group of seven students is 55 kg if the individual weights of 6 students are 52, 58, 55, 53, 56 ... bws limmattal anmeldung
The mean weight of 25 students of a class is 52kg. If the mean weight …
Splet10. apr. 2024 · Even healthy older adults may not want to see the number on the scale go down, according to a new study. Experts share why weight loss may put people over age 65 at risk. Splet21. apr. 2024 · The weight of 500 college students is 70 kg and the standard deviation is 3 kg. Assuming that the weight is normally distributed, determine how many students weigh: between 60 kg and 75 kg, more than 90 kg, less than 64 kg, exactly 64 kg Expert's answer 1) Between 60 kg and 75 kg: SpletAssuming that the weight is normally distributed, determine how many students weigh: Between 60 kg and 75 kg. b. More than 90 kg. c. Less than 65 kg. Question Transcribed Image Text: IV. EXERCISES The mean weight of 500 college students is 70 kg and the standard deviation is 5 kg. bw sliding 5th wheel hitch