Mathematics, 05.06.2021 03:10 nayshia

The average life expectancy in the United States, L, has been rising steadily over the past few decades, as shown in the table below. Let u be the number of years since 1920, (so I = 0 represents the year 1920).
Year
1920 1930 1940 1950 1960 1970 1980 1990
Life expectancy 54.6 57 60.2 62.3 66.1 69.4 72.6 74.4
(a) Find the equation of the regression line.
Average life expectancy, L(2) =
(b) Estimate the average life expectancy in the United States in the year 1952 according to the linear model in part (a).
Average life expectancy in 1952

The average life expectancy in the United States, L, has been rising steadily over the past few dec

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 14:30

Name the quadrilaterals that have four equal sides.

Answers: 1

Answer

Mathematics, 21.06.2019 20:00

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

Answers: 1

Answer

Mathematics, 21.06.2019 22:00

The table below lists recommended amounts of food to order for 10 party guests. how much of each food item should nathan and amanda order for a graduation party with 55 guests? use the table to answer. item amount fried chicken 16 pieces lasagna 7 pounds deli meats 1.8 pounds sliced cheese 1 and two fifths pounds bakery buns 1 dozen potato salad 2 pounds

Answers: 3

Answer

Mathematics, 21.06.2019 23:30

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points

Answers: 1

Answer

You know the right answer?

The average life expectancy in the United States, L, has been rising steadily over the past few deca...

Questions

Mathematics, 01.03.2021 19:40

In a statistics activity, students are asked to determine if there is a difference in the proportion of times that a spinning penny will land with tai...