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Orlov [11]
3 years ago
11

Determine whether the given value is a statistic or a parameter. In a study of all 1580 seniors at a college comma it is found t

hat 40 % own a television. Choose the correct statement below. Parameter because the value is a numerical measurement describing a characteristic of a population. Statistic because the value is a numerical measurement describing a characteristic of a population. Statistic because the value is a numerical measurement describing a characteristic of a sample. Parameter because the value is a numerical measurement describing a characteristic of a sample.
Mathematics
1 answer:
Natalija [7]3 years ago
7 0

Answer:

Parameter because the value is a numerical measurement describing a characteristic of a population.

Step-by-step explanation:

A parameter tells you something about the entire population.This means that you will know the "something" after asking every person in that group.In this question, the study was conducted for all 1580 seniors, and it was found that a parameter of 40% own a television.

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A high school educational researcher interviews 50 randomly selected high school female teachers and 50 randomly selected high s
Oliga [24]

Answer:

Stratified Sampling

Step-by-step explanation:

The given scenario corresponds to stratified sampling because the population is divided in to two strata and from each stratum a random sample of 50 teacher is selected. The stratified sampling involves the selection of random sample of sampling units from the strata constructed by dividing diverse population into similar groups. Here. in the given statement the population is "High School Teachers" which is divide into two strata "Male high school teacher" and "female high school teacher" and then selecting a random sample of size 50 from each stratum.

Hence the given situation corresponds to Stratified Sampling.

8 0
3 years ago
Write the point-slope equation for each line with the given slope and point. y –y1 = m(x – x1) Slope = 5 Point on line = (–1, 3)
snow_lady [41]

Answer:

y-3=5(x+1)

Step-by-step explanation:

Point-Slope form is: y-y_1=m(x-x_1)

'm' - Slope

(x1, y1) - Point Coordinate

We are given the point of (-1,3) and the slope of 5.

Replace 'm' with 5, 'x1' with -1, and 'y1' with 3:

y-y_1=m(x-x_1)\rightarrow\boxed{y-3=5(x+1)}

4 0
3 years ago
Pia printed 2 maps of a walking trail. The length of the trail on the first map is 8 cm. The length of the trail on the second m
Marianna [84]
The scale factor from the first map to the second map can be determined by:

scale factor = (length of trail in first map) / (length of trail in second map)

8 cm / 6 cm = 1.33

The landmark on the first map is a triangle with side lengths of 3mm, 4mm, and 5mm. 

3mm = 3 * 1.33 mm = 3.99mm
4mm = 4 * 1.33 mm = 5.32mm
5mm = 5 * 1.33 mm = 6.65mm

5 0
3 years ago
Please help me right now
siniylev [52]

Answer:J

Step-by-step explanation:

7 0
3 years ago
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I need help ASAP due at 11:59
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Answer:

Step-by-step explanation:

8 0
3 years ago
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