4 years ago

The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19.

1 answer:

6 0

<span>The mean of a set of data is 148.87 and its standard deviation is 68.29. Find the z score for a value of 490.19
the z-score is given by:
z=(x-</span>μ<span>)/</span>σ
plugging in the values in the expression we get:
z=(490.19-149.87)/68.29
z=340.32/68.29
z=4.9835

You might be interested in

Can you please help me answer this question what's a+3

Inessa [10]

Answer:

a+3

Step-by-step explanation:

You cannot go any further in answering this question. These two terms are not like terms so they cannot be combined. Therefore, the answer is just a+3 itself.

7 0

3 years ago

The average of a b c and d is p. If the average of a and c is q, what is the average of b and d in terms of p and q?

vodka [1.7K]

P - q i believe because
p = total average
q = average of ac
x = average of bd
p - q = x

4 0

4 years ago

Solve -4× - 8 - 2× = -6 + 3×

Alik [6]

Answer:

x= -2/9

decimal form is x=-0.2 (repeating)