Mathematics, 04.11.2020 01:00 Sairra

3. Patty's Parasols recorded the monthly rainfall and their umbrella sales for an entire year. The following table shows the inches of rainfall and the number of umbrellas the store sold each month. The relationship between
the inches of rainfall and umbrella sales can be modeled using a linear function.
Month
Jan Feb Mar Apr May Jun Jul Aug Sept. Oct Nov Dec
Rainfall (in.)
2.5 3.1 40 4.3 3.6 2.4 1.2 0.6
1.4
2.6
Umbrella sales 132 140 162 170 156 103 98 87
78
125
1.5
1.1
110
(a) Using technology, determine the correlation coefficient for the data to the nearest hundredth Explain
the steps you used.
(b) What does the correlation coefficient for the data indicate about the direction and strength of the
linear association between the monthly rainfall and the number of umbrellas sold?

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 19:00

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Answers: 3

Answer

Mathematics, 21.06.2019 20:30

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Answers: 2

Answer

Mathematics, 22.06.2019 01:00

Luisa sells stuffed animals. she sells her stuffed elephant for $34.90, and the sales tax is 6% of the sale price. about how much is the sales tax on the elephant?

Answers: 2

Answer

Mathematics, 22.06.2019 03:00

Alayna wonders how much water it would take to fill her cup she drops her pencil in her cup and notices that it just fits diagonal the pencil is 17 cm long and the cup is 15 cm tall how much water can the cup hold

Answers: 2

Answer

You know the right answer?

3. Patty's Parasols recorded the monthly rainfall and their umbrella sales for an entire year. The f...

Questions

Mathematics, 15.07.2019 18:10

Two different squares that can be made using the number 9...

Mathematics, 15.07.2019 18:10

The same amount of principal is invested in different accounts earning the same interest rate. which of the following accounts would have the greatest...

Mathematics, 15.07.2019 18:10

Having a savings account can contribute to a person’s overall financial well-being. which one of the following is not a benefit of maintaining a savin...