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Cloud [144]
2 years ago
13

Identify the design of the following study. A researcher classifies students according to three parental income groups and also

according to three possible score ranges on the SAT examination. He randomly selects two students from each of the nine (Income, SAT) combinations. The researcher records the grade point averages (GPA) of those sample members at the end of the sophomore year.
a. Randomized block design
b. Two-Factor ANOVA with replication
c. One-way ANOVA
Mathematics
1 answer:
Elodia [21]2 years ago
6 0

Answer:

140000000

Step-by-step explanation:

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Buying a Car Math Quiz
Dahasolnce [82]

Answer:

The annual difference in the cost between the two cars in gasoline plus monthly payment per month will be $856.67.

Step-by-step explanation:

Car option "A" gets 18 miles per gallon of gas (MPG) and has a monthly payment of $368.

Now, yearly 12000 miles will consume \frac{12000}{18} = 666.67 gallons of gas.

Now, if the gas costs $2.89 par gallons, then yearly fuel cost is $(666.67 × 2.89) = $1926.67

Hence, the yearly cost for option A will be $(1926.67 + 368 × 12) = $6342.67.

Now, car  option "B" is a hybrid and gets 60 MPG with a monthly payment of $409.

Now, yearly 12000 miles will consume \frac{12000}{60} = 200 gallons of gas.

Now, if the gas costs $2.89 par gallons, then yearly fuel cost is $(200 × 2.89) = $578

Hence, the yearly cost for option B will be $(578 + 409 × 12) = $5486.

So, the annual difference in the cost between the two cars in gasoline plus a monthly payment per month will be $(6342.67 - 5486) = $856.67. (Answer)

3 0
2 years ago
9x-(-2y)-8x-(-12y) simplify​
Elina [12.6K]

Answer:

x+14y

Step-by-step explanation:

9x+2y-8x+12y

x+14y

8 0
2 years ago
NEED HELP !! There are 16 ounces in 1 pound . How many 12-ounce servings are in 36 pounds of dog food ? PLEASSSEEDE
dedylja [7]
There are (3) 12 ounce servings of dog food
7 0
2 years ago
Read 2 more answers
A new car is purchased for 16500 dollars. The value of the car depreciates at 5.75% per year. What will the value of the car be,
kirill115 [55]
A=16500(1-0.0575)^5
A=16,500×(1−0.0575)^(5)
A=12,271.30
3 0
2 years ago
Let p, q, and r be the propositions p: You get an A on the final exam. q: You do every exercise in this book. r: You get an A in
babunello [35]

Answer:

a) r ^ ¬q

b) p ^ꓥqꓥ^ r

c) r → p

d) p ^ ¬qꓥ^ r

e) (p ^ q) → r

f) r ↔ (q v p)

Step-by-step explanation:

 

 

ꓥ^ = AND Conjunction

vꓦ = OR disjunction

¬ = NOT Negation

↔ = Double Implication

→ = implication

6 0
2 years ago
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