The following data are the estimated market values (in millions of dollars) of 12 companies in the auto part business: \( 22,20,15,16,38,11,13,10,19,26,17,30 \) Round your answers in part (a) to 1 decimal place. (a) Calculate the values of \( Q_{1}, Q_{2}, Q_{3} \) \( Q_{1}=\square \) \( Q_{2}= \) \( Q_{3}= \)

The direction of Pearson's \( r \) is determined by

Based on historical data at Oxnard college, they believe that \( 42 \% \) of freshmen do not visit their advisors regularly. For this year, you would like to obtain a new sample to estimate the proportion of freshmen who do not visit their advisors regularly. You would like to be \( 90 \% \) confident with a margin of error of \( 4 \% \). Assume the conditions are met and use the appropriate formula to determine how many people you would need to sample. Enter an integer or decimal number [more..] Show your steps on paper or in the add work box: Question Help: \( \square \) Message instructor Add Work

Что такое диаграмма рассеяния и для чего она используется?

Question 8 The heights of 10 -year-olds, regardless of gender, closely follow a Normal distribution with a mean of 56 inches and a standard deviation of 5 inches. a. What is the probability that a randomly chosen 10 -year-old is shorter than 48 inches? (Round to 4 decimal places.) b. If the tallest \( 10 \% \) of the class is considered "very tall", what is the height cutoff for "very tall"? (Round to 2 decimal places.) [SAB2]

Если у вас есть набор данных: (2,3), (4,5), (6,7), как вы можете изобразить эти точки на диаграмме рассеяния?