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题目内容
The sale price of a pen and a pencil is $2 and $1.5, respectively. Which of the following statement could determine the average sold price?
Indicate all such statements.
The average weight of 7 fish is 25 pounds. Among them, the 4 heaviest weigh 117 pounds in total, the average of the 4 lightest weigh 20.5 pounds. What`s the median weight of the 7 fish? pounds
$$x \lt y$$

The median of $$x$$, $$y$$ and $$120$$ is $$100$$

Quantity A

$$x$$

Quantity B

$$90$$
All the angles in a regular n-sided polygon and a (n+1)-sided regular polygon are included in a list.

Quantity A

The median of the list of angles

Quantity B

90°
The median of 5 integers is 60, with each of the remaining 4 numbers between 50 and 70, inclusive. Which of the following could be the sum of the 5 integers?
There are 15 numbers in List M, in which 8 numbers are greater than 50.4, and 8 numbers are less than 54.6.

Quantity A

The median of the numbers in List M

Quantity B

52.5
a < b < c < d

Quantity A

$$\frac{a+b}{2}$$

Quantity B

The median of four numbers
If the median of seven consecutive even integers is 2n+2, then what is the average of them?
In a certain sequence of 90, 105, x, 120 and 125, both the mean and the median are equal to x. What is the value of x?
The average (arithmetic mean) of a set of 10 positive integers is 7.5.

Quantity A

The probability that the value of one randomly chosen integer from the set will be greater than 7

Quantity B

$$\frac{1}{2}$$
The range of 7 integers is 4, and the median of the 7 integers is m. The greatest number less than the median is m-3.

Quantity A

The mean of the 7 integers

Quantity B

m
The stock prices of three companies are $$x$$, $$2x$$ and $$x+2$$, respectively and $$x \gt 2$$. Which of the following statement alone can be sufficient to determine the value of $$x$$?
Indicate all such statements.
List R and List S both have 100 numbers, among which 50 are overlapping. The mean of List R is smaller than the mean of List S.

Quantity A

The median of List R

Quantity B

The median of List S
7, 11, 15, 19, 23, x, y The average of the above 7 positive integers is 13. Which of the following could be the median of the 7 numbers?
Indicate all such numbers.
Set A consists of 5 numbers. The median of the 5 numbers is m, the difference between m and the maximum number is 6, while the difference between m and the minimum is 2.

Quantity A

m

Quantity B

The average of the 5 numbers
Set A={6, 8, 12, 14 and x} If x increases from 12 to 14, then which of the following values will also change?
Indicate all such values.
The median of 7 positive integers is 10, and the average of these 7 numbers is 9. The only mode is 2. What is the greatest possible number in the set?

Quantity A

The range of seven consecutive integers

Quantity B

7
A list contains 10 different integers.

Quantity A

The range of the 10 integers

Quantity B

10
Set S includes all the two-digit integers that are multiples of 3 or 5. What is the range of the set of numbers?

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