2. Take a look at the scatter diagram below. The line of best fit has been drawn 130 128 126 124 122 120 118 116 114 112 110 108 TO6 104 102 4 6 8 Mark in general knowledge test 10 12 14 16 18 20 Alex has an IQ of 118. Use the scatter diagram to estimate Alex's mark in the general knowledge test Answer:

Q: What is the class width? O A. the difference between the largest frequency and the smallest…

A: The “class width” is the distance between the lower limits of consecutive classes.

Q: Consider the data set 10, 25, 30, 50, 80, 90, 740 a) What is the more representative measurement of…

A: Here, the data set given is 10, 25, 30, 50, 80, 90, 740. We should choose median as a representative…

Q: Two events are non-mutually exclusive. If P(A) = 0.51 and P(B) = 0.34, what is the probability of…

A:

Q: The ages of the members of four teams are summarized below. Answer the questions about them. Team A:…

A:

Q: What sampling distribution will you use? O Student's t chi-square O binomial O uniform O normal What…

A: Given: Chi square test statistic = 9.974 Degrees of freedom = 4 Significance level = 0.05

Q: Construct a boxplot for the given data. Include values of the 5-number summary. Explain the…

A: Data given 310, 320, 450, 460, 470, 500, 520, 540, 580, 600, 650, 700, 710, 840, 870, 900, 1000,…

Q: From the options below, select all the different types of bar chart that would be suitable to…

A: i first give the criteria of different bar chart and then depending our need we choose any one which…

Q: Consider these data: 89,95,74, 87,87, 85, 94, 84,88,76,76,100, 90, 81, 78 Which statement is…

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Q: Find the 5 number summary for the data shown 14 24 25 41 45 48 62 68 76 83 88 92 93 5 number…

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Q: The following are the ages of 14 music teachers in a school district. 26, 27, 29, 29, 33, 36, 37,…

A: Given information: The data represents the ages of 14 music teachers in a school district.

Q: Is there a relationship between one’s gender and whether one owns a dog, cat, or reptile? Use the…

A: It needed to test whether there is a relationship between one’s gender and whether one owns a dog,…

Q: Find the median in the 12, 9, 11, 7, 9, 14, 6, 10. Find the mode.

A: Given data,   12,9,11,7,9,14,6,10   Sort the data in ascending order 6,7,9,9,10,11,12,14   Find…

Q: . Find the median of these numbers: 4, 2, 7, 4, 3.

A: We have given that,  The data set are : 4, 2, 7, 4, 3 Then,  We will find the Median (M) = ?

Q: CHAPTER 16 CLASSWORK 1. Find the mean for the following lists of numbers. (Round to the nearest…

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Q: 5-Number

A: Given : The given data is 8, 15, 32, 36, 45, 47, 58, 61, 63, 75, 77, 78, 79, 91, 92, 98

Q: Find the 5 number summary for the data shown below. 31 3 27 2 86 15 34 94 53 82 5 number summary:

A:

Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.