A. What is the median of the data set?B. What is the lower quartile of the data set?

C. What is the upper quartile of the data set?

Answers

Answer 1

Answer:

Answer:the median is 20 and the lower quartile is 16.5

Step-by-step explanation:

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The average high temperature in Anchorage, Alaska, in January is 21°F with a standard deviation of 10°. The average high temperature in Honolulu in January is 80°F with a standard deviation of 8°. In which location would it be more unusual to have a day in January with a high of 57°F?

Answers

Answer:

In Honolulu it be more unusual to have a day in January with a high of 57°F

Step-by-step explanation:

Given,

The average high temperature in Anchorage, Alaska,

$\mu_1$ = 21° F,

Having standard deviation,

$\sigma_1$ = 10°,

Thus, the z-score for the high temperature of 57° F in alaska,

$z_1=(57-\mu_1)/(\sigma_1)$

$=(57-21)/(10)$

$=3.6$

By the z-score table the probability of the high temperature of 57°F in Alaska = 0.99984 = 99.984 %

Now, the average high temperature in Honolulu is,

$\mu_2=80^(\circ)$

Having standard deviation,

$\sigma_2=8^(\circ)$

Thus, the z-score for the high temperature of 57° F in Honolulu,

$z_2=(57-\mu_2)/(\sigma_2)$

$=(57-80)/(8)$

$=-2.875$

By the z-score table the probability of the high temperature of 57° in Honolulu = 0.00205 = 0.205 %

Since, a probability is unusual if it is less than 5 %,

Hence, In Honolulu it be more unusual to have a day in January with a high of 57°F.

It would be more odd in Honolulu.

If both the base and height of a triangle are made nine times as long, how many times the area of the original figure is the area of the new figure?

Answers

To start: A = 1/2bh
Now by increasing both the width and height by 9, you get: A = 1/2(9b)(9h) = 1/2(81)bh

You can see that the increase in area is 81 times the original.

If RS=8y + 4, ST=4y + 8, and RT=5y - 9, find the value of y. Find RS, ST, RT

Answers

Is any other information given? Because I do not see any way this can be solved unless we know the perimeter, area, or even one of the angles, anything that can be used to form a relationship between the 3 sides.

When isolating a variable in the equation -3y=2x-7, how do you get rid of the -3 in front of the y?

Answers

Answer: You divide both sides by -3.

Step-by-step explanation:

We're asked to solve the equation: $\sf{-3y=2x-7}$ .

To do this, divide both sides by -3:

$\sf{-3y=2x-7}$

$\sf{y=\cfrac{2x-7}{-3}$

Simplify

$\sf{y=-\cfrac{2x-7}{3}}$

Therefore, that's our answer.

Answer:

divide both sides by - 3

Step-by-step explanation:

given the equation

- 3y = 2x - 7

to isolate y then divide both sides by - 3

$(-3)/(-3)$ y = $(2x-7)/(-3)$ , that is

y = $(2x-7)/(-3)$

y = $(2)/(-3)$ x + $(-7)/(-3)$ = - $(2)/(3)$ x + $(7)/(3)$

A spinner has three sections. The table shows the results of spinning the arrow on spinner 80 times. Three column table. First column values are Section 1 and 28. Second column values are Section 2 and 36. Third column values are Section 3 and 16.

What is the experimental probability of the arrow stopping over Section 1?

A.1/28

B.7/20

C.7/13

D.4/5

Answers

The correct answer for the question that is being presented above is this one: "C.7/13." A spinner has three sections. The table shows the results of spinning the arrow on spinner 80 times.Three column table. First column values are Section 1 and 28. Second column values are Section 2 and 36. Third column values are Section 3 and 16.

Answer:

7/13

Step-by-step explanation:

hope this helps!!!!!!!!!!!!!!!

a researcher studied 30 people ages twenty to forty, 30 people ages forty-one to sixty, and 30 people ages sixty-one to eighty. the researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. each participant was asked to enter each room and identify the smell in the room. what research method did the researcher use, and what outcome would be found?

Answers

If the researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. each participant was asked to enter each room and identify the smell in the room. The research method that the researcher use , and what outcome would be found is: Cross-sectional. The outcome is: As people grow older their sense of smell decrease.

A cross-sectional is a research that is carried out by collecting data from different group of population or by drawing a random sample from a group of population in which the researcher will then study or observe the data collected at a particular period of time.

Based on the given information the researcher is making use of Cross-sectional research method as the researcher what to know how people perceive smell based on their age or how age determine people sense of smell.

The outcome that could be found based on the research is that as people age or grow older their sense of smell decrease or begins to decrease, which simply means that younger people have strongest sense of smell than older people.

Inconclusion If the researcher set up two rooms—one with a faint rose smell, and one with a faint lemon smell. each participant was asked to enter each room and identify the smell in the room. The research method that the researcher use , and what outcome would be found is: Cross-sectional. The outcome is: As people grow older their sense of smell decrease.

Learn more about Cross-sectional here:

brainly.com/question/1900606

Final answer:

The researcher used an experimental method with the type of smell as the independent variable and the identification of the smell as the dependent variable. The outcome would likely reveal differences in odor identification across age groups, with younger ones performing better due to age-related sensory changes.

Explanation:

The research method used in the scenario is known as an experimental method. This technique is adopted in studies where one or more variables are manipulated to analyze the effect on an outcome variable. Here, the independent variable being the type of smell (rose or lemon), and the dependent variable is the identification of the smell. In this experiment, different age groups function as the control variable.

The outcome of the experiment would ideally determine if there's a difference in odor identification across different age groups, and whether the type of scent (rose or lemon) impacts the ability to recognize the odor. Given the information related to sensory changes across different ages found particularly in the sense of smell, it can be postulated that the younger age groups might perform better in identifying the smells correctly. Studies have noted that sense of smell tends to decline after the age of 50.