Question 3 (1 point) A linear model shows that a relationship between the number of grocery items purchased and the total cost of the grocery bill has a correlation coefficient of 0.97 . Which statement about the variables is true? Purchasing more items causes a higher cost of the grocery bill. If a grocery bill has a higher cost, then more items must have been purchased. There is no relationship between the number of items purchased and the total cost of the grocery bill. There is a strong relationship between the number of items purchased and the total cost of the grocery bill.

1. What is the birth rate for a city that has a population of 450,000 and 1500 births per year? What is the crude birth rate (CBR)?

Find the midrange for the following group of data items. \( 114,54,84,54,74 \) The midrange is \( \square \). (Type an integer or a decimal.)

Find the mode for the following group of data items. If there is no mode, so state. \( 27,24,23,22,28,25,21,23 \), Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode(s) is/are B. There is no mode.

Find the mode for the following group of data items. If there is no mode, so state. \( 5.8,8,9.2,6.9,8.4,8.4,7.4,8.9,7.8,6.7,6.7 \) Select the correct choice below and, if necessary, fill in the answer box within your choice. A. The mode(s) is/are \( \square \). (Use a comma to separate answers as needed.) B. There is no mode.

Ejercicio 2 . Un granjera recaudo huevo dirante 20 dilas, fome note del huevo por dia el cual fueron los siguientes datos. \( x=5,8,8,3,5,6,7,8,9,9,6,3,2,2,5,4,4,4,9,9 \) Realiza todo el procedimiento de la estadistica de tendencia central.