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VashaNatasha [74]
3 years ago
13

2) The frequency distribution below shows the scores of 30 Grade 10 learners in their first summative test for Quarter

Mathematics
1 answer:
Anna [14]3 years ago
7 0
A because of I don’t know
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UNO [17]
Approximately 11 blocks
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3 years ago
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Compare √7 and 1.9? <br><br> &gt;<br> &lt;<br> =<br> Help pls <br><br> 
Paraphin [41]

Answer:

that answer is 7 is bigger then 1.9

Step-by-step explanation:

so 7 is a whole and 1.9 is a decimal

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For bone density scores that are normally distributed with a mean of 0 and a standard deviation of​ 1, find the percentage of sc
Shkiper50 [21]

Answer:

a) Scores of 2 and higher are significantly high

b) Scores of -2 and lower are significantly low

c) Scores between -2 and 2 are not significant.

Step-by-step explanation:

Mean = 0

Standard deviation = 1

a. significantly high​ (or at least 2 standard deviations above the​ mean).

2 standard deviations above the mean is:

0 + 1*2 = 2

So scores of 2 and higher are significantly high

b. significantly low​ (or at least 2 standard deviations below the​ mean).

2 standard deviations below the mean is:

0 - 1*2 = -2

So scores of -2 and lower are significantly low

c. not significant​ (or less than 2 standard deviations away from the​ mean).

2 standard deviations above the mean is:

0 + 1*2 = 2

2 standard deviations below the mean is:

0 - 1*2 = -2

So scores between -2 and 2 are not significant.

3 0
3 years ago
If u can type 40 per min how many hours would it take to type 2.6 x 10 to power of 5 words
JulijaS [17]
The answer is 260000
3 0
3 years ago
Which of the following is a point-slope equation of a line that passes through
Helen [10]
A

i need to put 20 characters in here so imma tell you, just use desmos.com. if you type in the equations, it’ll show you the graph
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3 years ago
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