Jeremy scored 70, 80, 70, 90, 80, 100, 70 in his last seven math exams. The average score is _________.

In a lottery, there are 15 prizes and 30 blanks. A lottery is drawn at random. The probability of a getting a prize is________.

Probability cannot be ____.

The stem in number 43 is________.

The probability of an impossible event is________.

If an ordinary die is thrown, the chance of getting 6 is________.

The range of 8, 9, 10, 11, 12, 13 is

The mode of 1, 5, 6, 8, 9 is _____.

The median of the data 10, 39, 71, 42, 39, 76, 38, 25 is

A group of customer service surveys was sent out at random. The scores were 90, 50, 70, 80, 60, 20, 90 and 20. The mean score is _______.

Mean of a data is the sum of all values divided by the total number of values, it is also called average.

Certain event means there is a __ chance that an event will happen.

Probability of a sure event is 1 , for an impossible event it is 0 and for all other events its value lies between 0 and 1.

If a coin is tossed, then the probability of getting head is ______

Probability of a sure event is 1,for an impossible event it is 0 and for all other events its value lies between 0 and 1.

Determine the range of the data.

In stem and leaf plots, the stem is ordered in ______

Total number of cars that were sold in all the days was______.

The range of 5, 3, 9, 7, 2, 4 is________.