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Sunny_sXe [5.5K]
3 years ago
13

Can someone help

Mathematics
1 answer:
STALIN [3.7K]3 years ago
3 0

Answer it is educational

Step-by-step explanation:

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Which of the following scores has the better relative position ( as measured by the z score) a. A score of 53 on a test for whic
Kisachek [45]

Answer:

d. Cannot be determined with the information provided.

Step-by-step explanation:

Z-score:

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Finding the better relative position:

The score with the better relative position is the one with a higher z-score.

To find the z-score, the mean and the standard deviation is needed, and in this question, the standard deviation is not given, and thus, the correct answer is given by option d.

3 0
3 years ago
Neeeeedd help hurry please
Alona [7]

Answer:

Step-by-step explanation:

Sslsl

6 0
3 years ago
What is problem 25 please help!!
tino4ka555 [31]
All you have to do is 
1) order data from lest to greatest 
2) find 2 middle number
3) add both numbers 
4) put fraction and then put 2 under the bottom 
(example)
                 27,33,38,41,42,52,60,64,68,72
                                 ^   ^                                  42+52=94 divide by 2= 94/2  
                              AVERAGE
Mean: 49.7        Median:47
3 0
3 years ago
Someone answer these
aksik [14]

Answer:

1. 8.5 x 10^8

2. 93/10000 - 4 x 10^12

3. 9.95 x 10^12

Step-by-step explanation:

3 0
3 years ago
I NEED HELP ASAP PLEASE!!!
Colt1911 [192]

Answer:

h= 2/3d

Step-by-step explanation:

slope is the change of y value on the change of x value

4/6 = 2/3

3 0
3 years ago
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