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Vikki [24]
3 years ago
13

What value represents the number of ways in which the expected classes are free to vary in the chi-square goodness-of-fit test?

Mathematics
1 answer:
Ket [755]3 years ago
8 0

In statistics, the number of degrees of freedom is the number of values in the final calculation of a statistic that are free to vary.

The number of independent ways by which a dynamic system can move, without violating any constraint imposed on it, is called number of degrees of freedom. In other words, the number of degrees of freedom can be defined as the minimum number of independent coordinates that can specify the position of the system completely.

<span>
The degree of freedom
represents the number of ways in which the expected classes are free to vary in the chi-square goodness-of-fit test.</span>

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Preston's hair was 4 centimeters long after his last haircut, and it grows 1.5 centimeters every
iragen [17]
1.5m + 4 = h. this is because if the hair grows 1.5 centimeters per month you would multiply that by whatever month(m). then you’d have to add 4 because there were already 4 centimeters there.
8 0
3 years ago
Lydia's school is holding a candy fundraiser. They are selling lollipops for $0.50 and candy bars for $1.50 Lydia buys 6 lollipo
tensa zangetsu [6.8K]

Answer:

8

Step-by-step explanation:

Let's say that the amount of lollipops Lydia buys is represented by x and the number of candy bars is represented by y. For each x, Lydia spends 0.50, and for each y, Lydia spends 1.50. This means that the total amount she spends can be represented by the equation 0.50*x+1.50*y. Our equation is then 0.50*x+1.50*y=15

Using our equation, we can plug 6 in for x, resulting in 0.50*6+1.50*y=15, so 0.50x+1.50y=15\\0.5(6)+1.50y=15\\3+1.50y=15\\1.50y=12\\y=8

In this set of equations, we plugged 6 in, multiplied it out, then subtracted 3 from both sides, and finally divided both sides by 1.50 to get 8 as our answer.

8 0
4 years ago
The population, y, of a small town can be represented using a quadratic model. The maximum population, 6,000 people, occurred 20
Harlamova29_29 [7]
Y<span> = –2(</span>x<span> – 20)^2</span><span> + 6,000

Hope This Is Sufficient !!</span>
3 0
3 years ago
Read 3 more answers
Multiply (2 + 3i) with (3 – 4i)
nirvana33 [79]

Answer:

-12i^2 + i +6

Step-by-step explanation:

(2 + 3i)(3-4i)

6 - 8i + 9 i - 12i^2

combine like terms

-12i^2 + i + 6

Hope this Helps!!!

5 0
3 years ago
Read 2 more answers
Two brothers shared the coins in a piggy bank. Alan received 140 coins. When he gave 48 coins to his brother, the number of his
Musya8 [376]
Assume Alan's brother has x coins before Alan gave him 48 coins
x+48=1.4x (increased by 40%)
0.4x=48
x=120
120+140=260
answer is 260 coins
5 0
4 years ago
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