For an upcoming government project, you are required to find the average height of the students in Class VIII of a given school. Instead of asking every student, you took a few students as your sample and noted their heights in the table given below. Roll Number Height8012 121.92 cm8045 133.21 cm8053 141.34 cm8099 126.23 cm8125 175.74 cmQuestion 1/3MandatorySamplingWhat is the size of the sample that you have taken?540334698.4410

For an upcoming government project, you are required to find the average height of the students in Class VIII of a given school. Instead of asking every student, you took a few students as your sample and noted their heights in the table given below. Roll Number Height8012 121.92 cm8045 133.21 cm8053 141.34 cm8099 126.23 cm8125 175.74 cmQuestion 3/3MandatorySamplingWhat is the standard deviation of the sample?22.8423.6719.1921.45

Teacher Joy conducted a census in her class, and she found out that the average time that her students devote to studying is 2.25 hours, their average height is 147 cm, and a random sample of 10 students got an average of 87% in their latest quiz.Which of the given numbers is a sample?*1 point10 Students2.25 Hours147 cm87%

The average height of a group of 5 students is 162cm. If a new student joins the group, the average becomes 162.5cm. Find the height of the new student. A165cmB152cmC173cmD168cmENone of the above

The average height of a group of students was 134.4 cm.When Mr Lim measured and recorded the height of these students, he wronglyrecorded one student's height as 193 cm when it should have been 139 cm.As a result, Mr Lim calculated the average height as 143.4 cm.How many students were there in the group?

Mr. McGregor has 28 students in his class. He selects 10 students and records their heights in centimeters. The height of each student is shown. 158,   164,   140,   151,   184,   150,   157,   153,   153,   160 Based on the sample, what is the best estimate for the median height of his students?