Describe the type of statistics used in the given statement below. A teacher wants to find out the average height of students in their class. They measure the height of each student and calculate the mean height.Group of answer choicesQualitativeQuantitativeInferentialDescriptive

Describe the type of statistics used in the given statement below. A survey is conducted to gather information about the favorite subjects among students in a school. Group of answer choicesInferentialQuantitativeQualitativeDescriptive

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 2/3MandatorySamplingWhat is the mean of the sample?133.21139.69146.76141.34

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 statistic?*1 point2.25 Hours147cm87%10 Students

30.Suppose you want to know the average height of students in a school. You get the data of all the students from the database and measure the average of their heights using Excel. What is this an example of?  A. Sample mean  B. Population mean  C. Standard error  D. Confidence interval

A student believes that the average grade on the quiz in Math is greater than 85. She plans on taking a sample to test her belief. The correct null hypothesis is Group of answer choicesPopulation mean is greater than or equal to 85Population mean is less than or equal to 85Population mean is less than 85Population mean is greater than 85