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MUF0092 Mathematics Unit 2-SEM 1-2025
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Calculate the mean for the table below:
The following data were collected for two related variables x and y.
A scatterplot indicates a non-linear association. The data is linearised using a logx transformation and a least squares line is then fitted. The equation of this line isclosest to:
The histogram below displays the testscores of a class of students.
The number of students is:
The birth weight and weight at age 21 of eight women are given in the table below.
The value of the correlation coefficient is closest to:
Calculate the mean for the table below:
The cost of preparing meals in a school canteen is linearly related to the number ofmeals prepared, as shown in the table.
The equation of the least squares regression line which relates them is shown below:
cost = 81.5 + 2.10 × number of meals
Use the equation to predict the cost of producing 48 meals.
(Write your answer in the format $xxx.xx)
Estimate the mean for the data below correct to 1 decimal place:
The stem plot below displays the distribution of testmarks obtained by a class of MUFY students.
How many students sat the test?
Find the median for the table below:
The stem plot below displays the distribution of testmarks obtained by a class of MUFY students.
The test was out of 65, and students require 50% to pass.
What percentage of students passed? (Give the numerical answer only, don't enter the % sign)