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Statistics
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.
17.8k
Questions
Q: Which of these groups of relative frequencies would be best represented by a pie chart
2 answers
Q: If a coin is flipped 5 times and a head comes up 3 times what is the relative frequency of a head coming up
1 answer
Q: If a coin is flipped 5 times and a head comes up 1 time what is the relative frequency of a head coming up
1 answer
Q: When asked their favorite color 9 students said blue 14 students said green 6 students said red and 2 students said orange. Students with which of these favorite colors will be represented by the smal
1 answer
Q: Suppose A and B are independent events. If p a 0.3 and what is
1 answer
Q: The mean and standard deviation of a population being sampled are 64 and 6 respectively. If the sample size is 50 what is the standard error of the mean
1 answer
Q: What is the difference between the population and sample regression functions Is this a distinction without difference
1 answer
Q: Which of the following is incorrect Select one a. Probability distribution is used to compute continuous random variables b. Probability distribution equals to one. c. Probability distribution is used
1 answer
Q: Critical observationthinking is best demonstrated by which of the following actions
1 answer
Q: Sensitive data is always classified
2 answers
Q: In a confidence interval what information does the margin of error provide
1 answer
Q: What is the mean number of leaking tanks in such samples of 15
1 answer
Q: If data are organized with several values together the result is
2 answers
Q: For a given event what is the result of dividing the number of successful outcomes by the number of possible outcomes
1 answer
Q: The probability that an adversary will exploit a weakness in your operation tempered by the impact to your mission is defined as
2 answers
Q: Data collected in a survey
1 answer
Q: Franklin rolls a pair of six-sided fair dice with sides numbered 1 through 6. The probability that the sum of the numbers rolled is either even or a multiple of 5 is . The probability that the sum of
1 answer
Q: Kelsey is asked to find the probability of rolling a composite number on a die. She states that this is a simple event. True or false
4 answers
Q: When did the greatest drop in British imports occur and what event caused that decline
1 answer
Q: The radio station KLUK is a conducting a telephone survey. The survey is conducted by selecting 3 pages at random from the telephone book and then interviewing every person on each of the selected pag
1 answer
Q: How do you solve a systematic sample
1 answer
Q: What is the probability of spinning a number greater than 2 on a six sectioned spinner numbered 1-6
1 answer
Q: A heart is randomly chosen 7 out of 12 times
3 answers
Q: Chantel has decided to use only quantitative data in her study. Which is an example of the type of information she may collect
1 answer
Q: What is the relative frequency of a student having pets
1 answer
Q: Four different sets of objects contain 2 4 6 and 7 objects respectively. How many unique combinations can be formed by picking one object from each set
1 answer
Q: Renee tossed 12 heads when tossing a coin 18 times. What is the experimental probability
1 answer
Q: If a person purchases 15 of 3000 tickets sold in a raffle that awards one prizewhat is the probability that this person not win
2 answers
Q: Paul wants to compare whether the prices of tangerines in two supermarkets differ significantly. He has been noting down the daily prices for the last few days and has found the difference in the samp
1 answer
Q: Why is important of reporting deviations
1 answer
Q: If a sample of 23 bowlers were taken from a population of 187 bowlers could refer to the mean of how many bowlers' scores
1 answer
Q: Event 2 has a causal relationship with Event 1 when
2 answers
Q: If you have a 62.4 chance of winning but if you lose you lose 2 but if you win you win 1. will you come out on top
2 answers
Q: Is the Symbol for the population standard deviation
1 answer
Q: Why do we have to be statistics friendly
1 answer
Q: How will you prepare laboratory procedure to verify the validity of the hypothesis example
1 answer
Q: What is the probability that the first two flips will both be heads and the third flip will be either heads or tails if you flip three fair coins
3 answers
Q: If there is a correlation between event A and event B statements is true
1 answer
Q: Find the probability of this event if one of these cards is drawn at random. Selecting a U not replacing it and then selecting an M.
2 answers
Q: Josh has 4 shirts white blue green and red and 4 pairs of socks in the same colors. Josh grabs a shirt and a pair of socks without looking. What is the probability that his shirt and socks will match
1 answer
Q: Music that has melodies created based on the roll of dice of random set of numbers is called
1 answer
Q: There are 4 aces and 4 kings in a standard deck of 52 yards. You pick one card at random. What is the probability of selecting an ace or a king
1 answer
Q: Convert X intervals to z intervals
1 answer
Q: Mean median and
1 answer
Q: Sociologists use tools such as investigation and data collection to make their study more
1 answer
Q: The first quartile of a data set is 23 the median is 30 the third quartile is 33 and an outlier is 50. Which of these data values would be represented by a point in a modified box plot
1 answer
Q: If there are 13 values in a data set in order from smallest to largest what is the third quartile of the data set
1 answer
Q: If there are 25 values in a data set in order from smallest to largest what is the first quartile of the data set
1 answer
Q: What is the third quartile of the following data set 24 20 35 43 28 42 25 29 44 21 37
1 answer
Q: What is the first quartile of the following data set 12 33 15 22 29 11 17 19 10 24 38
1 answer
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