280 TERM 4
Grade 7 | Play! Mathematics | Learner Book
Section 6: Statistics
Question 1 | Revision of Terms
1. Fill in the correct term in each sentence.
a) The list of questions used in a survey is called a
b) An important survey which a government conducts about the
people in a country is called a
c) The information that is gathered in a survey is called
d) Each time an item of information occurs, it is counted by making a
e) The number of times an item occurs is called its
f)
use vertical or horizontal columns of equal width to illustrate data.
2. Study: a) A group of people or objects about whom you want to gather
specific information is called a population.
d) A subgroun of whole nonulation in

Given the net of the rectangular prism, what is its surface area?

Arecent study focused on the number of times men and women who live alone buy take-out dinner in a month. assume that the distributions follow the normal probability distribution and the population standard deviations are equal. the information is summarized below. statistic men women sample mean 24.85 21.33 sample standard deviation 5.54 4.93 sample size 34 36 at the 0.01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? state the decision rule for 0.01 significance level: h0: μmen= μwomen h1: μmen ≠ μwomen. (negative amounts should be indicated by a minus sign. round your answers to 3 decimal places.) compute the value of the test statistic. (round your answer to 3 decimal places.) what is your decision regarding the null hypothesis? what is the p-value? (round your answer to 3 decimal places.)

Type the next three numbers in a sequence 80, 90, 85, 95, 90, 100, 95, 105