Select all the correct answers. Which two hypotheses can be supported with quantitative data? People who eat low-protein diets are more likely to have less muscle mass. It's ethical to eat a vegetarian diet. Eeople are happier during the summer than during the winter. Eating less salt lowers blood pressure over time.

a) Copy and complete the equation of the line of best fit below. Give any decimals in your answer to 1 d.p.

men are randomly selected and tested. Among the men, 563 have color blindness, and among the wo lindness than women at an \( \alpha=0.05 \) level of significance. Round all values to at least 4 decimal places.

In a class, there are 750 learners in 1st year, 420 learners in 2 nd year. Draw a pie graph to represent the numbers of learners in these groups.

3 Get a similar questlon You can retry this question below A sample of size \( n=10 \) is drawn from a population. The data is shown below. \( \begin{array}{lllll}102.8 & 115.4 & 98.2 & 96.2 & 93.3 \\ 115.4 & 81.8 & 76.1 & 115.4 & 88.9\end{array} \) What is the range of this data set? range \( =\begin{array}{ll}39.3\end{array} \) What is the standard deviation of this data set? (Round to 2 decimal places) stdev \( =16.03 \)

Write down the upper and lower quartiles. Upper Quartile = Lower Quartile = Question 3