STRAIGHTERLINE STATISTICS FINAL
EXAM|COMPLETE STUDY GUIDE WITH
DETAILED QUESTIONS AND 100%
RIGHT/AUTHENTIC ANSWERS|LATEST
VERSION 2025
Anais is organizing her rock collection and places each rock in one of three
categories: small, medium, or large. this illustrates what level of measurement? -
CORRECT ANSWERS.✔️✔️ordinal
which of the following is an example of a nominal variable? - CORRECT
ANSWERS.✔️✔️gender
what sort of data are temperature measurements? - CORRECT
ANSWERS.✔️✔️ratio
based on the graph, which statement best describes the relationship between
daily high temperatures and the number of people going to the beach? - CORRECT
ANSWERS.✔️✔️it is negative linear relationship
the table shows the number of train tickets carl purchased to each station over
the last month and the fare to each station. what was the average cost per ride? -
CORRECT ANSWERS.✔️✔️$5.45
the outcomes observes in an experiment are: 2, 8, 3, 10, 4, and 9. what is the
sample variance? - CORRECT ANSWERS.✔️✔️11.6
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, STUDYSAGE
jason collects information about annual family income from each student at his
college. he computes both the mean and median family income across all
students and is surprised to find that the mean income is higher than the median
income. what is the most likely reason for the difference in the mean and the
median? - CORRECT ANSWERS.✔️✔️the mean is more affected by a small
number of extreme values
an instructor administers a test to a class of 30 students and observes that the
scores are close to normally distributed with a mean score of 40 and a standard
deviation of 10. what can you conclude from these results? - CORRECT
ANSWERS.✔️✔️the average student scored at the 40th percentile
laura's quiz scores during the semester were 87, 82, 90, 92, and 84. what was her
mean score - CORRECT ANSWERS.✔️✔️87
the table lists the populations and relative frequencies of car ownership in 4
neighboring cities. which city has the most cars? - CORRECT
ANSWERS.✔️✔️westville
in the figure shown, sample a and sample b have the same - CORRECT
ANSWERS.✔️✔️median
the contingency table describes the living arrangements of students at a small
college. what percentage of the students are women who live in off-campus
housing? - CORRECT ANSWERS.✔️✔️54
which of these correlation coefficients shows the strongest linear relationship
between 2 variables - CORRECT ANSWERS.✔️✔️-0.31
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