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Marianna [84]
2 years ago
5

9. Preschoolers were asked to assemble a plastic toy several times in a row and were timed as

Mathematics
1 answer:
GuDViN [60]2 years ago
8 0

Answer:

The researchers considered the before and after design of the study. They concluded that since the P-value was greater than the significance level, they had to fail to reject the null hypothesis.

Step-by-step explanation

test says is correct

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The Future Government Club wants to sponsor a panel discussion on the upcoming national election. The club wants four of its mem
ella [17]

Simple random selection involves a selection where all the elements in the dataset have the same chance of being selected.

The selected names are:

<em>Engler, Motola, Redmond and Zenkel</em>

We have:

n =32 --- All names

r = 4 ---- Sample to select

There are several ways to select a sample of 4 using a simple random sample. Some ways are:

  • <em>Select any 4</em>
  • <em>List all names in even position and select the first 4</em>
  • <em>List all names in position divide by 4 and select any 4 that is divided by 8</em>
  • <em>List all names in odd position and select the first 4 that can be divided by 3</em>
  • <em>Etc</em>

<em />

Going by the third method, the selected positions are:

4, 8, 12, 16, 20, 24, 28 and 32

Select 4 positions that can be divided by 8

8, 16, 24 and 32

So, the selected names are:

<em>Engler, Motola, Redmond and Zenkel</em>

Read more about random selection at:

brainly.com/question/20692763

4 0
3 years ago
Which of the following best describes the expression 7(y + 5)?
WINSTONCH [101]

Answer:

d The product of a constant factor of seven and a factor with the sum of two terms

Step-by-step explanation:

It's a product, and one of the factors is 7.

Answer:

d The product of a constant factor of seven and a factor with the sum of two terms

8 0
3 years ago
15. A jar contains 6 aqua beads and 4 black beads. If two beads are selected
Alex17521 [72]

Answer:

9/25

Step-by-step explanation:

(6/10)(6/10)

= (3/5)(3/5)

=9/25

6 0
3 years ago
What is the value of x?<br><br><br><br> Enter your answer in the box.<br> |x = °|
Serga [27]
X+30+70=180
x+100=180. -100 both sides
x=80

|x=80° |
8 0
3 years ago
Erick, Mia, and Isabelle golfed 9 holes. Erick scored 10 more than Mia, and Isabelle scored 16 less than twice Mia's score. Use
ANEK [815]
X = mia's score

eric scored 10 more then mia....so eric's score is x + 10
isabella scored 16 less then twice mia's score...so isabells's score is 2x - 16

so the expression x + x + 10 + 2x - 16 is a total of all 3 people's scores combined
6 0
3 years ago
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