-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 1 of 11Max played in a golf tournament. His average score for the 5 rounds was 71. If the scores in his first three rounds were 72, 66,78 and 70, what was his score in the fifth round?
AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions. -
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 2 of 11Elise’s average mark for four maths exams is 78%. Can Elise score enough marks in a fifth exam so that her average mark increases to 85%?
AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 3 of 11The dot plot shows the number of goals scored by a soccer team during the season.
a) Identify the outlier value
b) Find the mean correct to one decimal place without the outlier included
c) Find the mean correct to one decimal place with the outlier included
d) Find the median without the outlier included
e) Find the median with the outlier included
f) Which measure (mean or median) is affected by the outlier?AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 4 of 11From the following table, calculate
a. The mean, correct to two decimal places
b. The range\[\begin{array}{ | c | c | }
\hline \qquad x \qquad & \qquad f \qquad \\
\hline 23 & 3\\
\hline 24 & 8\\
\hline 25 & 7\\
\hline 26 & 9\\
\hline 27 & 5\\
\hline 28 & 4\\
\hline & \sum f= \\
\hline \end{array}\]AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 5 of 11From the following table, calculate
a) The mean, correct to one decimal places
b) The mode
c) The range\[\begin{array}{ | c | c | }
\hline \qquad x \qquad & \qquad f \qquad \\
\hline 18& 3\\
\hline 19& 20\\
\hline 20& 8\\
\hline 21& 15\\
\hline 22&11\\
\hline 23& 7\\
\hline \end{array}\]AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 6 of 11From the following table, calculate the median
\[\begin{array}{ | c | c | }
\hline \qquad x \qquad & \qquad f \qquad \\
\hline 17& 3\\
\hline 18& 8\\
\hline 19& 20\\
\hline 20& 15\\
\hline 21& 11\\
\hline 22&7\\
\hline \end{array}\]AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 7 of 11If the mode of some given set of integers is \(0\), then which of the following statements is DEFINITELY TRUE
ABoth positive and negative numbers must be in the given set
B0 must occur the maximum number of times
CAn equal number of positive and negative quantities must occur in the given set
DThe absolute sum of positive and negative quantities must be equal in the given set
AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 8 of 11What should be the values of \(x\) and \(y\) respectively in the data set: \(4, 8, 7, x, y, 6, 12, 11\) so that the mean=\(8\) and the mode=\(7\) .
AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 10 of 11The following observations are arranged in ascending order: \(18,a, 25, a + 8, 36, 37, 47\). The median of the data is \(26\). The value of \(a\) is?
AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
-
Previewing
The Mean, Median, Mode and Range - Revision Quiz 1
Question 11 of 11In the following data set: \(42, 87, 37, 86, 42, 63, 97, 61\). If \(97\) is replaced by \(51\), the range is?
AnswerYou must be logged in to see the answer.You must be logged in to see the worked solutions.You must have an active subscription to access course content
