Mathematics, 17.02.2021 15:20 arimarieestrada

1 Question Progress
314 Marks
Homework Progress
48 / 64 Marks
The table shows the heights of 40 students in a class.
Height (h)
Frequency
in cm
120 <t< 124
7
124 < t < 128
8
128 <t< 132
13
132 <t< 136
9
136 <t<140
3
a) Calculate an estimate for the mean height of the students.
129.3 cm
b) Explain why your answer to part (a) is an estimate. I
+

Answers: 3

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 20:30

Need asap. solve for the following inequality

Answers: 1

Answer

Mathematics, 21.06.2019 21:20

If the value of cos330°is√3/2 then find cos 165°.

Answers: 2

Answer

Mathematics, 21.06.2019 23:00

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?

Answers: 1

Answer

Mathematics, 21.06.2019 23:00

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?

Answers: 1

Answer

You know the right answer?

1 Question Progress
314 Marks
Homework Progress
48 / 64 Marks
The table shows t...

Questions

Biology, 08.10.2019 00:30

At which type of plate boundary would a string of small volcanic islands most likely form? convergent ocean-ocean boundary transver...

Arts, 08.10.2019 00:30

What name was given to mass introduction of british groups to american culture following the arrival of the beatles?...

History, 08.10.2019 00:30

What was the goal of macon's bill no. 2? a)to warn great britain and france against seizing american merchant ships b)to persuade france...

Mathematics, 08.10.2019 00:30

Asurgical technique is performed on 10 patients. you are told there is an 80% chance of success. find the probability that the surgery is successful f...

Mathematics, 08.10.2019 00:30

Answers with work shown for questions 4 to 6

Mathematics, 08.10.2019 00:30

The functions f(x) = 500(1.015)x and g(x) = 500(1.021)x give the total amounts in two different savings accounts after x years. how do the graphs of f...

Mathematics, 08.10.2019 00:30

Write a mixed number and an improper fraction for the model below.

Mathematics, 08.10.2019 00:30

How do you figure the answer out to questions like 1 (b)

Arts, 08.10.2019 00:30

What name was given to mass introduction of british groups to american culture following the arrival of the beatles? o a. british i...

History, 08.10.2019 00:30

Using complete sentences, describe the four steps of the naturalization process in the united states....

Mathematics, 08.10.2019 00:30

. . . pionici 1. a principal needs 2 chaperones for every 25 students at the school dance. how many chaperones does he need if...

English, 08.10.2019 00:30

Why would the federal reserve enact an easy money policy? why would it enact a tight money policy?...

Mathematics, 08.10.2019 00:30

Which is the equation of a line parallel to the line with the equation: y = -1/4x + 7 a: y = -4x - 7 b: y = 4x +2 c:...

Mathematics, 08.10.2019 00:30

Amaya’s test scores in algebra 1 are 78 and 91. she has one more test left and wants to earn a b for the course, which is from 80-89 inclusive. write...

Mathematics, 08.10.2019 00:30

Sam creates a game in which the player rolls 4 dice. what is the probability in this game of having at least 2 of the dice land on 5. group of...

Physics, 08.10.2019 00:30

Part b–short problems11. the electric potential at a certain point is space is 12 v. what is the electric potential energy of a –3.0 c charge placed...

Mathematics, 08.10.2019 00:30

Organisms are present in ballast water discharged from a ship according to a poisson process with a concentration of 10 organisms/m3 (the article "cou...

Business, 08.10.2019 00:30

Chapter 6 general ledger accounting cycleon january 1, 2018, the general ledger of big blast fireworks includes the following account balances: accou...

Business, 08.10.2019 00:30

Finney company began the year with retained earnings of $100,000. during 2022, the company issued $80,000 of common stock for cash. the company record...

Business, 08.10.2019 00:30

While the agency conflicts between managers and shareholders tend to receive the most press, they are not the only agency conflict affecting the moder...

More questions: Mathematics Another questions