below are foot lengths in inches for 11 randomly selected people taken in 1988. Find the range, variance, and standard deviation for the given sample data Include appropriate units in the results. Ae the statistics representative of the current population of all people? 8.7 9.4 9.1 10.3 88 10.1 8.6 9.2 8.7 99 8.6 O range of the sample data is e an integer or a decimal. Do not round.) standard deviation of the sample data is und to two decimal places needed) variance of the sample data is s needed.) und to two decimal places the statistics representative of the current population of all people? A. The statistics are representative because they are taken from a random sample. 3. The statistics are representative because the standard deviation of the sample data is less than 1. E. Since the measurements were made in 1988, it is not necessarily representative of the population today. D. The statistics are not representative because a smaller sample is needed to represent the population

Q: 11) 60

A: Here I am attaching image so that you understand each and every step.

Q: 10) 21 68

A: We know that tan θ=Opposite sideAdjacent sidetan(68)=x21

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.