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yarga [219]
3 years ago
5

Which question has statistical variability? * 2 points What are the daily low temperatures from the last month? What was the col

dest temperature last month? What was the average temperature last month?
Mathematics
1 answer:
Scorpion4ik [409]3 years ago
7 0

Answer: What are the daily low temperatures from last month

Step-by-step explanation: That question has statistical variability because temperatures is plural, meaning that there are multiple answers.

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Sally took her stats test last week and scored a 45%. The class average was 55%with a standard deviation of 4.5. How many standa
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Answer: A

Step-by-step explanation:

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2 years ago
There of the ABCD are given. fine the coordinates of point D. A(3, 6) B(6,3) D(x, y)
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A. (3,2) . I recommend using desmos to find the coordinates

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2 years ago
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Find the greatest common factor of 12 w' and 8w
Anton [14]

Answer:4w

Step-by-step explanation:

To find the greatest common factors of 12w and 8w

Using product of prime factor we get

12w=2×2×3×w

8w=2×2×2×w

Common factors

=2×2×w

=4w

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3 years ago
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100 POINTS!!! PLEASE I NEED HELP DUE TODAY!!!!
Volgvan

Using weighed averages, it is found that:

  1. The final grade is 91.
  2. The final grade is 66.8.
  3. The higher grade would be 79.55, with the second grading scheme.
  4. On average, she sold $48,280 per day.
  5. On average, she makes $12.5 per hour.

---------------------------------------

To find the weighed average, we multiply each value by it's weight.

---------------------------------------

Question 1:

  • Grade of 91, with a weight of 67%.
  • Grade of 91, with a weight of 33%.

Thus:

F = 91\times0.67 + 91\times0.33 = 91

The final grade is 91.

---------------------------------------

Question 2:

  • Grade of 83, with a weight of 40%(highest grade).
  • Grade of 60, with a weight of 30%.
  • Grade of 52, with a weight of 30%.

Thus:

F = 83\times0.4 + 60\times0.3 + 52\times0.3 = 66.8

The final grade is 66.8.

---------------------------------------

Question 3:

With teacher 1:

  • 75 with a weight of 25%.
  • 80 with a weight of 10%.
  • 85 with a weight of 40%.
  • 62 with a grade of 25%.

Thus:

F_1 = 75\times0.25 + 80\times0.1 + 85\times0.4 + 62\times0.25 = 76.25

---------------------------------------

With teacher 2:

  • 75 with a weight of 15%.
  • 80 with a weight of 10%.
  • 85 with a weight of 60%.
  • 62 with a weight of 15%.

Thus:

F_2 = 75\times0.15 + 80\times0.1 + 85\times0.6 + 62\times0.15 = 79.55

The higher grade would be 79.55, with the second grading scheme.

---------------------------------------

Question 4:

  • Average of $36,432, with a weight of \frac{3}{3+10} = \frac{3}{13}
  • Average of $51,834, with a weight of \frac{10}{13}

Thus:

A = 36432\frac{3}{13} + 51834\frac{10}{13} = \frac{36432\times3 + 51834\times10}{13} = 48280

On average, she sold $48,280 per day.

---------------------------------------

Question 5:

  • Average of $14.84, with a weight of \frac{6}{6+8} = \frac{6}{14} = \frac{3}{7}
  • Average of $10.76, with a weight of \frac{4}{7}

Thus:

A = 14.84\frac{3}{7} + 10.76\frac{4}{7} = \frac{14.84\times3 + 10.76\times4}{7} = 12.5

On average, she makes $12.5 per hour.

A similar problem is given at brainly.com/question/24398353

5 0
3 years ago
V over 4 minus 3 equals 5, what does v equal? Show work
PIT_PIT [208]

Answer:


Step-by-step explanation:

v/4-3=5 add 3, v/4=8 then divide by 4, v=2

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3 years ago
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