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Statistics

Dive into the realm of statistical methods and analyses, covering everything from probability and data collection to descriptive and inferential statistics. This subject is crucial in making informed decisions based on data.

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Questions
Q: An event that must occur has 1 for probability
1 answer
Q: How do you find the mean of a set of numbers
2 answers
Q: What is the probability of drawing an ace of spades and a heart from a deck of cards in two successive draws without placing the first card back in the deck of 52
1 answer
Q: How do you toss off a boy
2 answers
Q: If the sum of three numbers is 98 and the ratio of the first one to the second is 2 to 3 ans the ratio of the second to third is 5 to 8 what is the value of the second number
1 answer
Q: What does concurrent mean
2 answers
Q: What is the total number of spots on a six-sided regular die
1 answer
Q: How many steradians in a sphere
2 answers
Q: What does fair mean from a probability perspective
1 answer
Q: What is the meaning of the 7 in 2.47
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Q: Sample of a personal background
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Q: If you toss a coin 1000 times and find that it comes up head 532 times what is the probability of getting a tail
1 answer
Q: You randomly select a month of the year What is the probability that you select a month with 28 or 30 days in it
1 answer
Q: What is the z value corresponding to a number below the mean is
2 answers
Q: What is the probability of P z-0.41 using the standard normal distribution
1 answer
Q: What type of distribution pattern that occurs when the majority of the data values fall to the left of the mean
1 answer
Q: What is the difference between flat top sampling and natural sampling
1 answer
Q: How is linear regression used
1 answer
Q: What are the advantages and disadvantages of time series analysis
1 answer
Q: How many three digit positive integers are there
1 answer
Q: In which class either lower limit or upper limit is missing
1 answer
Q: If the letters of the word isosceles were put on cards and placed into a bag what is the probability that a vowel would be picked
2 answers
Q: What are Questionnaires and surveys
1 answer
Q: Change the following fraction into a percent round to the nearest tenth 7 11
1 answer
Q: If you flip a coin 2 times how many possible outcomes are there
3 answers
Q: How many different combinations are possible with 2 bytes
1 answer
Q: Measurement of qualitative variables using median
1 answer
Q: What does the 35th percentile mean
1 answer
Q: Helen and Christine play noughts and crosses 20 times Helen wins 12 of the games Estimate the probability that Christine will win the next game
1 answer
Q: Formula for Dorbish Bowley Index Number
1 answer
Q: Why the probability is have a specified chance to be selected and why the non probability does not have an equal of being selected
1 answer
Q: What is the probability of a coin tossed four times to get four heads
1 answer
Q: Two dices are thrown simultaneously what is the probability that both the dices have even number
1 answer
Q: Statistical reasoning can help us to generalize correctly from
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Q: Find the probability that a number less than 3 is obtained when a fair die is rolled
1 answer
Q: If the probabilty that an event will happen is 3 what is the probability of the event complement
1 answer
Q: True or false a sample is a subset of a population
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Q: True or false if a curve is symmetrical most of the scores fall at the lower values ofthe x-axis
2 answers
Q: True or false a hard test is an example of a positively skewed distribution
1 answer
Q: What is the meaning of AS 1554.1
1 answer
Q: Is color a quantitative measurement
1 answer
Q: Mason has 10 black 12 white and 3 brown pairs of socks in one drawer what is the probability that without looking Mason will pick a brown pair of socks
1 answer
Q: Two coins are tossed. What is the probability of tossing at least one head
1 answer
Q: What is The measure of the relationship between two variables
1 answer
Q: What is the probability of drawing a spade from a deck of cards
1 answer
Q: Relationship between rayleigh distribution and gaussian distribution
1 answer
Q: What feature bacterial culture will increase the probability of true motility
1 answer
Q: What is the significance of the date 01 02 2010
1 answer
Q: If a data batch is approximately normally distributed would it's normal probability plot would be S-Shaped
1 answer
Q: True or False the probability that a standard normal random variable Z is between 1.50 and 2.10 is the same as the probability Z is between -2.10 and -1.50.
1 answer
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