Collinear points are two or more points that lie on the same _____.

Mathematics

2 answers:

lawyer [7]3 years ago

8 0

Collinear points are two or more points that lie on the same line.

rusak2 [61]3 years ago

7 0

<h2>Answer:</h2>

Collinear points are two or more points that lie on the same line.

<h2>Step-by-step explanation:</h2>

<u>Collinear Points--</u>

Two or more points are said to be collinear if they lie on the same line and if they don't lie on the same line then they are called non-collinear points.

( for example--

In a triangle all the three points do not lie in the same line.

Hence, they are non-collinear points)

( similarly we use the definition of coplanar.

Two or more points are said to be coplanar if they lie on the same plane)

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In a random sample of 18 families, the average weekly food expense was $95.60 with a sample standard deviation of $22.50. Determ

shepuryov [24]

Answer:

t-distribution should be used to construct a confidence interval.

Step-by-step explanation:

We are given that a random sample of 18 families, the average weekly food expense was $95.60 with a sample standard deviation of $22.50.

We have to determine whether a normal distribution (Z values) or a t- distribution should be used or whether neither of these can be used to construct a confidence interval.

<em><u>Since in this question we are provided with;</u></em>

Sample average weekly food expense, $\bar X$ = $95.60

Sample standard deviation, s = $22.50

Sample of families, n = 18

The distribution that we will use here to construct a confidence interval will be <u>t-distribution</u> because in the question we don't know anything about population standard deviation $(\sigma)$ .