Question

what is true about a mound - shaped frequency distribution? its histogram is symmetrical. its histogram is not symmetrical. it provides individual data within the experiment. it has more data values to one side of the mean than the other.

Explanation:

A mound - shaped frequency distribution is also known as a normal distribution. In a normal distribution, the histogram is symmetrical about the mean.

• Option 2: Incorrect as it is symmetrical.
• Option 3: Incorrect as a frequency distribution shows frequencies (counts) of data intervals, not individual data.
• Option 4: Incorrect as in a mound - shaped (normal) distribution, data is evenly distributed around the mean.

Answer:

Its histogram is symmetrical.