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Ne4ueva [31]
3 years ago
13

An education researcher collects data on how many hours students study at various local colleges. The researcher calculates an a

verage to summarize the data. The researcher is using ______.A)measure of central tendency
B) descriptive statistical method
C) intuitive statistical method
D) inferential statistical method
Mathematics
1 answer:
fgiga [73]3 years ago
3 0

Answer:

Correct option is (B) descriptive statistical method

Step-by-step explanation:

Descriptive statistics branch in statistics deals with the representation of the data using distinct brief coefficients. These coefficients are used as either the representative of the sample or the population.

The descriptive statistics branch is divided into two sub branches:

  1. Measure of central tendency
  2. Measure of dispersion.

The three measures of central tendency are:

  • Mean (or Average)
  • Median
  • Mode.

The measures of dispersion are:

  • Variance
  • Standard deviation
  • Range
  • Kurtosis
  • Skewness

The education researcher computes the average number of hours student study at various local colleges.

The average of a data is the mean value which is the measure of central tendency.

Thus, the researcher is using descriptive statistical method to summarize the data.

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My number is an even number. my number is greater than 7,200. My number is?​
hjlf

Answer:

for the even number your answer would be 7,316

Step-by-step explanation:

an even number always needs to end with an even number

7 0
3 years ago
Penny sells knitted scarves for 12$ each. The cost of supplies to make each scarf is x dollars. How much profit will Penny make
vodomira [7]

Answer:

If I'm guessing, you're supposed to write an equation. So the answer would be yx + 12y.

Step-by-step explanation:

4 0
3 years ago
A student performed the following steps to find the solution to the equation
rusak2 [61]

Answer:

D

Step-by-step explanation:

step 2 : x + 3 = 0 and x - 5 = 0 ← correct

step 3

x = 3 and x = - 5 ← error made here with signs, correct statement should be

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3 0
1 year ago
21. Carrie withdraws $10 from her account each day for 7 days.
Fiesta28 [93]

Answer:

a.70. b.50

Step-by-step explanation:

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7 \times 10 = 70

  • Next we look at the net problem it is asking us how much is left we already know from the equation above that we need to subtract 70 from 120
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3 years ago
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Lelu [443]
Probability is calculated by comparing the odds to a certain event occurring to the number of possible events.

P=\frac{possibility-of-an-event-occuring}{number-of-total-outcomes}

For example, take a six-sided dice number 1-6 on each side. The probability of rolling a 4 would be1 in 6 or 1/6. This is because of the six possible outcomes, rolling a 4 is only one of them.

P(4)=1/6

Now take the same dice. The probability of rolling an even number is 3/6. To see why, lets look at the total possible outcomes:

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Of the 6 possibilities, 3 are even numbers.

P(even)=3/6 or 1/2
6 0
3 years ago
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