68% In a normal distribution, approximately 68% of scores fall within one standard deviation of the mean. This is known as the empirical rule or the 68-95-99.7 rule, which states that about 68% of the data falls within one standard deviation of the mean in a normal distribution.

None of All The printed price of an object is commonly referred to as the "list price" or "sticker price," but it is not specifically called any of the options provided (sale price, cost price, or mark price).

A percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign (%). For example, 50% means "50 per hundred," which is equivalent to 50/100 or 0.5.

The rate of Ushr for natural resources can vary depending on the specific type of resource and the school of Islamic thought followed. However, it's generally understood to be 10%, making option d the most likely answer.

A discrete series is a data set where the values can only take certain distinct, separated values. It's often represented in a table where each row shows a specific value (class interval) and its corresponding frequency (how many times that value appears in the data).

There are two middle numbers when the data is arranged in ascending order: Data 3 5 6 6 7 7 8 9 11 13 14 Since we have two middle numbers, the median is the average of those two numbers. Therefore, the median of the data sample is (6 + 6) / 2 = 7. So the answer is b. 7.

Both a. Row caption and b. Stub are commonly used terms for the heading of rows in a table. Therefore, the answer is c. Both a and b.

The correct answer is c. Equivalent sets. Sets with the same number of elements are considered equivalent, even if the elements themselves are different. They have the same "cardinality," meaning the same size or quantity of members.