Bullying Bullying is a problem at any age but especially for students aged 12 to 18. A study showed that 7.2% of all students in this age bracket reported being bullied at school during the past six months with 6™ grade having the highest incidence at 13.9% and 12" grade the lowest at 2.2%. To see if there is a difference between public and private schools, 171 students were randomly selected from each. At the 0.01 level of significance, can a difference be concluded? Private Public Sample size 171 171 Number bullied 11 24 Use p, for the proportion of private school students who have been bullied.

Q: 10. Find the measure of ZD. 143 81% C ZD = %3D

A: Solving the problem by finding the angle D.

Q: The US Census in 2010 counted 308,745,538 people and there were 3,999,386 births that year. 1.)…

A: Given:

Q: Find the relative frequencies in the below table (express as a fraction that is not simplified). For…

A: The formula for the relative frequency is

Q: 11, 14 20

A:

Q: Determine the level of measurement of the varlable he medal recelved (gold, silver, bronze) by an…

A: Solution

Q: what is the ideal food cost percentage and selling price for 1 oz cheesecake in a casual dining…

A: The food cost can be divided into 2 parts: 1) Plate cost 2) Period cost Food cost percentage in the…

Q: Ms. Karen has a ribbon that is 15.9 inches long and wants to get another 34.81 inches to make more…

A:

Q: 20. A video game designer is modeling a tower that is 320 ft high and 260 ft wide. She creates a…

A:

Q: an someone please explain or summarize what VARIATION RATIO is and what is it used for?

A: Variation Ratio as the name suggests is also a measure of dispersion of the data set . It is used to…

Q: Identify the level of measurement corresponding to the da Temperature in ( Degrees Fahrenheit) of a…

A: It can easily observe that the temperature of a place is to be measured in numbers and it can be…

Q: 5. How would you interpret ran= .89, p<.05?

A: We are given that  Correlation coefficient r=0.89 Interpretation  There is strong positive linear…

Q: Observation Observation A 16 B. 1 2. B. 17 18 2. 4 19 5. B. 20 B 9. C. 21 1. 17 B. 2] 22 2. 8. C. 23…

A: We have given value of X and Y for different observations and we have to find out the percentages…

Q: 1. Solve the proportion as a whole number  x = 7/3=x/27     2. Solve the proportion as a decimal…

A:

Q: Calculate for the following proportion value of Y.  8 /1.2= Y/0.24

A: 8/1.2 =Y/0.24Find value of Y.

Q: b. Compare the graduation rate (proportion to graduate) of students on an athletic scholarship to…

A: Here identifying comparison between same group or different group

Q: 2. 17)1,569

A: Given, 171,569

Q: Identify which of the four levels of measurement (nominal, ordinal, interval, or ratio) is most…

A: Four types of measurement levels are as follows: Nominal level: It consists of categories in which,…

Q: What is the boy-girl ratio in a class of 32 pupils if there are 18 girls? O 14/32 О 97 O 7/9 O 5/9

A:

Q: 20.35/2918.495

A: Here, we have to find out the value of 20.35/2918.495.

Q: Determine whether the following proportion is true or false. 5/9=17/30

A:

Q: 18. 360 is what percent of 15?

A:

Q: 10 a 6. a =

A:

Q: There are 28 apple trees in a row. There are 19 red apples. What is the ratio of red apple trees to…

A: To find the ratio of red apple trees to all other trees

Q: 16:1216:1216, colon, 12

A: Given 16:1216:1216:colon:12 and

Q: Solve the proportion 25/100 = 8/m.  m =

A: Here, 25/100 = 8/m

Q: Last year , 1,345 bicyclists showed up to the bicycle race . This year , only 690 bicyclists showed…

A: Solution:  Given information:  Last year the number of bicyclists that showd up was 1345. This year…

Q: 1 9 For complete the equivalent proportion b

A:

Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.