Statistics question and answers for November 11, 2023
- Q This question 1 point s possible Many firms use on the job training to teach their employees computer programming Suppose you work in the personnel department of a firm that...
- Q K uestion Find the z score for the value 90 when the mean is 59 and the standard deviation is 4 OA Z 7 50 OB z 7 75 OC...
- Q Percentile The graph below is an ogive of scores on a math test The vertical axis in an ogive is the cumulative relative frequency and can also be interpreted as...
- Q The mean score of a competency test is 80 with a standard deviation of 5 Use the empirical rule to find the percentage of scores between 75 and 85 Assume...
- Q The heights in inches of 10 adult males are listed below Find the sample standard deviation Round to the nearest hundreth 70 72 71 70 69 73 69 68 70...
- Q K The mean IQ score of adults is 100 with a standard deviation of 15 Use the empirical rule to find the percentage of adults with scores between 70 and...
- Q K Determine whether the approximate shape of the distribution in the histogram is symmetric uniform skewed left skewed right or none of these 20 18 16 14 12 10 8...
- Q Use the ogive to the right to approximate the sample size O A 100 OB 341 O C 80 GILB This question 1 point s possible Aanba n mber of...
- Q 4 Suppose X is a discrete random variable with possible values X 0 1 2 or 3 Suppose P X 0 0 08 P X 1 0 22 P X...
- Q Determine the original set of data 11 4 6 6 7 12 0 4 6 8 899 13 3 4 4 6 899 14 0 2 3 4 5 15...
- Q researcher wanted to determine the number of televisions in households He conducts a survey of 40 randomly elected households and obtains the data in the accompanying table Complete parts a...
- Q In a poll a random sample of 2163 adults aged 18 and over was asked When you see an ad emphasizing that a product is made in your country are...
- Q n a poll a random sample of 2163 adults aged 18 and over was asked When you see an ad emphasizing that a product is made in your country are...
- Q The cumulative relative frequency for the last class must always be 1 Why Choose the correct answer below A The last class must always have at least one value in...
- Q An experiment was conducted in which two fair dice were thrown 100 times The sum of the pips showing on the dice was then recorded The frequency histogram to the...
- Q Is the statement below true or false There is not one particular frequency distribution that is correct but there are frequency distributions that are less desirable than others Choose the...
- Q The safety manager at Bumbler Enterprises provides the graph shown on the right to the plant manager and claims that the rate of worker injuries has been reduced by 50...
- Q Determine the original set of data 10 5 7 7 8 11 0 5 6 8 899 12 2 4 4 6 899 13 1 2 2 5 7 14...
- Q An airline offers discounted flights from Atlanta to five American cities Below is a frequency distribution of the number of tickets purchased for each location based on a random sample...
- Q The accompanying relative frequency ogive represents the composite score on a standardized test for a high scho graduating class Complete parts a through d below Click the icon to view...
- Q 1 To study about the correlation between height and shoe size you need to collect a sample of nine 9 people using a Systematic Sampling method a What is the...
- Q For the distribution shown which letter represents the median A B C This is a reading assessment question Be certain of your answer because you only get one attempt on...
- Q Use the tips dataset Create a Dataframe with an additional column called Tip Percentage that calculates the Tip as a Percentage of the Total bill For example if the Total...
- Q Use Python Jupyter notebook and the Tips dataset Output the first 5 rows of the Dataframe Then create a pivot table showing the average tip amount spent each day for...
- Q Which of the following describes the middle number in an ordered list A Median B Standard Deviation C Mean D Variance E Mode
- Q When might the median be most useful A When there are negative values in the data set B When the data set has frequently reoccurring values D When the data...
- Q Why might central tendency be helpful for interpreting data A It can describe and summarize the averages and patterns in data B It can determine correlation C It can tell...
- Q Consider the following data set 2 5 5 6 7 8 8 8 13 What is the mean A 5 B 8 00 C 7
- Q Which of the following describes the square root of the variance and describes the average distance from the mean A Mode B Variance Median D Standard deviation Mean
- Q Which of the following describes the numerical center and average of a data set B Standard Deviation Mode Med an Mean E Variance
- Q A sample of 20 registered voters was surveyed in which the respondents were asked Do you think Chang Johnson Ohm or Smith is most qualified to be a senator The...
- Q The following data represent the pulse rates beats per minute of nine students enrolled in a statistics course Treat the nine students as a population Complete parts a to c...
- Q A histogram of a set of data indicates that the distribution of the data is skewed right Which measure of central tendency will likely be larger the mean or the...
- Q Sample 19 15 2 9 10 Select the correct choice below and fill in the answer box to complete your choice O A O B sample mean as indicated X
- Q For a large sporting event the broadcasters sold 60 ad slots for a total revenue of 145 million What was the mean price per ad slot The mean price per...
- Q Determine if the statement is true or false When an observation that is much larger than the rest of the data is added to a data set the value of...
- Q 1 Claim A coin favors heads when tossed You did 20 tosses of a fair well balanced coin and found 11 heads a Define H and H 0 a b...
- Q 4 IQ scores of college professors have a standard deviation less than 15 which is the standard deviation for the general population Define H and H
- Q 8 A random sample of 64 observations produced the following summary statistics 0 323 and s 034 a Test the null hypothesis that u 0 36 against the alternative hypothesis...
- Q 7 A sample of 106 body temperatures has a mean of 98 20 F Assume that o is known to be 0 62 F Consider a hypothesis test that uses...
- Q 3 The mean weight of women who won Miss America titles is equal to 121 lb Define H and H a
- Q Label the number line around 12 to 13 counting by 0 25 Choose the correct labeling of the number line around 12 to 13 counting by 0 25 below OA...
- Q Evaluate o x N given 37 87 N 9 and the x values in the table x 37 2 38 6 36 7 36 3 37 38 1 39 6...
- Q 1 5 2 2 5 2 0 3 1 2 1 9 2 Simplify 5 a State the answer in square root form and b approximate the answer to two...
- Q Plot the point 3 2 on the xy plane at the right Plot 3 2 6 54 4 34 24 5 4 3 2 1 7 24 34 4 5
- Q K 6409 The number 6409 rounded to three significant digits is
- Q Rationalize the denominator If possible simplify the rationalized expression by dividing the numerator and denominator by the greatest common factor 10
- Q Perform the operation and simplify 5 5 7 8 4 5 5 7 8
- Q 81 81 207 Tyne an integer a simplified
- Q K Perform the indicated operation 7 12 5 18
- Q Choose the correct answer below OA There could be two three or four significant digits B There could be three or four significant digits OC There are three significant digits
- Q 3 3 20 12 12 21 Type an integer or a simplified fr
- Q 5 3 5 8 5 5 5 12 5 10 5 17 1 8 12 5 3 5 8 5 5 5 12 5 10 5 17 1 8 12...
- Q The following table gives the average per kilowatt hour prices of electricity in a certain country for the years 2008 to 2015 Complete parts a and b below Click the...
- Q The following graph shows the median earnings for females from 2005 to 2009 in constant 2009 dollars Complete parts a and b below Click the icon to view the graph...
- Q e table below gives the number of elementary school Idren in 16 school districts in a particular region Construct a cumulative frequency distribution Construct a cumulative relative frequency distribution Draw...
- Q The graph to the right represents the favorite colors of 28 children a How is the graph misleading OA The graph is biased OB It looks like children like the...
- Q A newspaper article claimed that the afternoon hours were the worst in terms of robberies and provided the graph to the right in support of this claim Explain how this...
- Q In a random sample of 21 people the mean commute time to work was 32 4 minutes and the standard deviation was 7 2 minutes Assume the population is normally...
- Q The data to the right represent the top speed in kilometers per hour of all the players except goaltenders in a certain soccer league Construct a a relative frequency distribution...
- Q The blood platelet counts of a group of women have a bell shaped distribution with a mean of 247 2 and a standard deviation of 63 4 All units are...
- Q A student eamed grades of B C A B and D Those courses had these corresponding numbers of credit hours 5 4 3 3 and 1 The grading system assigns...
- Q district were sampled and asked to disclose the number of children under the age of five living in the household The results of the survey are presented in the table...
- Q To predict future enrollment in a school district fifty households within the district were sampled and asked to disclose the number of children under the age of five living in...
- Q The following frequency histogram represents the IQ scores of a random sample of seventh grade students IQs are measured to the nearest whole number The frequency of each class is...
- Q represents scores of a random sample of seventh grade students IQs are measured to the nearest whole number The frequency of each class is labeled above each rectangle Use the...
- Q The following data represent the ages of award winners for best actor and best actress in a leading role for the 20 years from 1985 to 2004 Answer parts a...
- Q The accompanying data represent the percentage of recent high school graduates graduated within 12 months before the given year end who enrolled in college in the fall Construct a time...
- Q The data in the table represent the tuition for all 2 year community colleges in a region in 2014 2015 a Construct a cumulative frequency distribution b Construct a cumulative...
- Q The following data represent the number of grams of fat in breakfast meals offered at a local fast food restaurant a Construct an ordered stem and leaf plot and b...
- Q Is the following statement true or false When plotting an ogive the plotted points have x coordinates that are equal to the upper limits of each class The statement is
- Q vny houldn t classes overlap when summarizing continuous data in a frequency or relative frequency distribution Choose the correct answer below OA Classes shouldn t overlap so that the distribution...
- Q What is an ogive Choose the correct answer below OA A graph that represents the cumulative frequency or cumulative relative frequency for the class OB A circle divided into sectors...
- Q The claim is that weights grams of quarters made after 1964 have a mean equal to 5 670 g as required by mint specifications The sample size is n 32...
- Q The piston diameter of a certain hand pump is 0 6 inch The manager determines that the diameters are normally distributed with a mean of 0 6 inch and a...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!