Sixteen students were selected at random there rates of heart beat were taken while taking a final examination and while they were in a relaxing situation. The results are noted and given in table 4.8. Test at 5% level of significance, whether examination has an effect on heart beat

Why should children should be allowed to vote at elections? explain

Heights of men on a baseball team have a bell-shaped distribution with a mean of 177 cm and a standard deviation of 6 cm. using the empirical rule, what is the approximate percentage of the men between the following values? a. 159 cm and 195 cm b. 165 cm and 189 cm a. 89% of the men are between 159 cm and 195 cm. (round to one decimal place as needed.) b. 89% of the men are between 165 cm and 189 cm. (round to one decimal place as needed.)

The press is free to say whatever they want about whomever they want, regardless of whether they know it’s true. true false