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2 years ago

Answer the two questions below

Mathematics

1 answer:

STALIN [3.7K]2 years ago

8 0

Answer:

3: No

4: 25

Step-by-step explanation:

3: It won't because not everyone is the same height and there will be variation in the mean height.

4: A larger sample size will give a more accurate representation of the population, where as a sample size of 5 is much more likely to have a higher percentage of outliers, and each outlier matters much more in finding the mean. In a sample size of 25, each outlier matters much less.

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Zoe, Latoya, Christina, and Rhoda each used a different method to verify that Negative 2 (3 x minus 12) = negative 6 x + 24.

mel-nik [20]

Answer:

Rhoda

Step-by-step explanation:

sub same values of x into both expressions. The expressions are equivalent if the values of the expressions are equal

5 0

3 years ago

An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment. For this s

slavikrds [6]

Answer: c. 10

Step-by-step explanation:

Given : An independent-measures research study compares three treatment conditions using a sample of n = 5 in each treatment.

For this study, the three sample means are, M1 = 1, M2 = 2, and M3 = 3.

Grand mean = $\overline{X}=\dfrac{M1+M2+M3}{3}$ [All sample have equal elements]

$=\dfrac{1+2+3}{3}=2$

For ANOVA,

$SS_{between}=n\sum(M_i-\overline{X})^2$ , where i= 1, 2 , 3

$SS_{between}=5((1-2)^2+(2-2)^2+((3-2)^2)$

$SS_{between}=5((-1)^2+(0)^2+((1)^2)= 5(1+1)=10$

Hence,the value would be obtained for $SS_{between}=10$ .

hence, the correct answer = c. 10

8 0

3 years ago

Is this right? I feel like I’m wrong.

Arisa [49]

Answer:

no I believe you are correct

Hope This Helps! Have A Nice Day!!

4 0

3 years ago

Read 2 more answers

Jacob spent 3 hours skiing and snowboarding. He skied for 1 hours 25 minutes. How long did he spend snowboarding?

lord [1]

Answer:

Hours spent for snowboarding = 1 hour 35 minutes

Step-by-step explanation:

Total hours spent for skiing and snowboarding = 3 hours

Hours spent for skiing = 1 hours 25 minutes

How long did he spend snowboarding?

Hours spent for snowboarding = Total hours spent for skiing and snowboarding - Hours spent for skiing = 1 hours 25 minutes

= 3 hours - 1 hours 25 minutes

1 hour = 60 minutes

3 hours = 180 minutes

1 hours 25 minutes = 85 minutes

3 hours - 1 hours 25 minutes

= 180 minutes - 85 minutes

= 95 minutes

95 minutes = 1 hour 35 minutes

Hours spent for snowboarding = 1 hour 35 minutes

3 0

3 years ago

Please give Examples for real life examples for expressing very small number sin standard form.

Digiron [165]

Scientific notation is a system for expressing very large or very small numbers in a compact manner. It uses the idea that such numbers can be rewritten as a simple number multiplied by 10 raised to a certain exponent, or power.

3 0

3 years ago