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elixir [45]
3 years ago
10

Which is an example of a statistical question?

Mathematics
2 answers:
Phantasy [73]3 years ago
6 0
<h2>Answer:</h2>

The example of a statistical question is:

    Question 4:   How old are the students in math class?

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

<u>Statistical question--</u>

A statistical question is one which is based over the data which is sampled or collected such that there is a variability in the data.

Here the first three questions i.e.

Question 1 How old am I?

Question 2 How old is the teacher?

Question 3 How old will I be after my next birthday?

are not based over the sample these are based over  a individual and not over the data or population. Hence, they are invalid.

       The statistical question is:

         D)   Question: 4

Vikki [24]3 years ago
5 0
Hey there, Damonealy!

The correct answer should be D since you are talking about multiple amount of data. As you can see, question number 1-3 are talking about the age of a single person but question D is talking about the ages of multiple students which can be used in a statistic.

Thank you for using Brainly.
See you soon!
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8 times of the eight term of an arithmetic progression is equal to 12 times of the twelfth term. find its first term if the comm
Ilya [14]

Answer:

a₁ = 38

Step-by-step explanation:

Given AP, where:

  • 8a₈ = 12a₁₂
  • d = -2,
  • a₁ = ?

=============

<h3>Solution</h3>

aₙ = a₁ + (n-1)d

  • a₈ = a₁ + 7d = a₁ + 7*(-2) = a₁ - 14
  • a₁₂ = a₁ + 11d = a₁ + 11*(-2) = a₁ - 22

8a₈ = 12a₁₂

  • 8(a₁ - 14) = 12(a₁ - 22)
  • 2(a₁ - 14) = 3(a₁ - 22)
  • 2a₁ - 28 = 3a₁ - 66
  • 3a₁ - 2a₁ = -28 + 66
  • a₁ = 38
6 0
3 years ago
PPLEASE HELP!!!!! WHAT IS THE INITIAL VALUE MEAN FOR THIS GRAPH/FUNCTION
Rudiy27
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3 years ago
Estimate 32% of 19.
Kipish [7]

Answer: 13

Step-by-step explanation: calculator

5 0
3 years ago
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If x divided by 9 = 1, how do you know what x is
padilas [110]
X/9=1

Multiply both sides by 9. So x=9.
6 0
3 years ago
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Neal opened a savings account 11 years ago with a deposit of $2,335.69. The account has an interest rate of 4.3% compounded dail
Vinvika [58]

Answer: $1,412.52

Step-by-step explanation:

Formula to calculate the accumulated amount if <em>P</em> principal invested for <em>t </em>years at a rate of interest <em>r</em> that compounded daily is given by:-

A=P(1+\dfrac{r}{365})^{365t}

Given: P= $2,335.69

r= 4.3%= 0.043

t= 11 years

Then,

A=2335.69(1+\dfrac{0.043}{365})^{365\times11}\\\\=2335.69(1+0.000117808219178)^{4015}\\\\=2335.69(1.000117808219178)^{4015}\\\\= 2335.69(1.6047566747)\\\\=3748.09044309\approx3748.21\\\\\Rightarrow\ A=\$3748.21

Interest earned = A-P

= $3748.21- 2335.69.

= $1412.52

Hence, Neal earned $1,412.52 as interest.

8 0
3 years ago
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