10th observation = sum of all 10 - sum of 9
= 301.7 *10 - 300.7*9
= 310.7
=311
option 5) 311 is correct
Please rate
4) (85.04, 137.2) 5) (137.2, 85.04) Question 11 (1 point) The average number of typical text...
Question 12 (1 point) 3 Suppose that the average number of hours a PC gamer spends using Steam is 93.38 hours per month. If the distribution of the hours is symmetric (eg. in the plot below), will the median be larger, smaller, or approximately equal to 93.38 6 1.2 Hours on Steam Per Month 1) The median is approximately equal to 93.38. 2) We cannot calculate the median in a symmetric distribution 3) The median is less than 93.38. )We...
5) 13,782.24 Question 10 (1 point) Suppose that the average and standard deviation of the fine for speeding on a particular highway are 111.12 and 13.04, respectively. Calculate an interval that is symmetric around the mean such that it contains approximately 68% of fines. Assume that the fine amount has a normal distribution. 1) (124.16, 98.08) 2) (111.12, 13.04) 3) (98.08, 124.16) 4) (85.04, 137.2) 5) (137.2, 85.04) dard print cartridge produces is 300.7 pages 01.7 pages. How many
For each of the following variables, identify the type of variable (categorical vs. numeric). (I) Number of auto insurance claims in a month (II) Film genre (e.g. comedy, horror, drama, etc) Question 1 options: 1) (I) Categorical , and (II) Categorical 2) There is no correct match. 3) (I) Categorical , and (II) Numeric 4) (I) Numeric , and (II) Numeric 5) (I) Numeric , and (II) Categorical Question 2 (1 point) Saved For each of the following variables, identify...
Question 6 (1 point) The number of text messages sent by a random sample of students at a local university was collected and the following histogram was created: Which of the following statements is likely true: Question 6 options: The distribution of number of text messages sent is approximately symmetric, so the mean is approximately the same as the median. The distribution of number of text messages sent is skewed to the left, so the mean is likely less than...
(5 points, 1 point each) According to survey data by Global Webindex, people spend an average of 2 hours and 22 minutes (142 minutes) per day on social media. The sample standard deviation given was 43 minutes. Assume this data is normal distributed an answer the following questions. a. What is the probability that a randomly selected person spends more than 2 hours on social media? b. What is the probability that a randomly selected person spends exactly 90 minutes...
Question 6 (1 point) You own a small storefront retail business and are interested in determining the average amount of money a typical customer spends per visit to your store. You take a random sample over the course of a month for 10 customers and find that the average dollar amount spent per transaction per customer is $83.652 with a standard deviation of $15.2173. Create a 99% confidence interval for the true average spent for all customers per transaction. 1)...
Question 4 (1 point) ✓ Saved Jobs are sent to a printer at the average rate of 2 jobs per minute. Binomial counting process is used to model these jobs. What frame length in seconds gives the probability 0.08 of an arrival during any given frame? 9.6 25 2.4 4.8 5.2
Question 1 (1 point) A customer wants to estimate the average delivery time of a pizza from the local pizza parlor. Over the course of a few months, the customer orders 29 pizzas and records the delivery times. The average delivery time is 23.69 with a standard deviation of 7.212. If the customer estimates the time using a 95% confidence interval, what is the margin of error? Question 1 options: 1) 0.7137 2) 2.2782 3) 2.7433 4) 1.3392 5) 2.739...
Question 26 (1 point) A least squares regression analysis of the typical pulse rate (in beats per minute) versus typical weight in kg) for ten mammal species produced the following residual plot Residual Plot for Pulse Rate vs. Weight 150 100 50 -100 200 600 800 1000 1200 400 Weight Which of the following statements are supported by this residual plot? I. The relationship between Pulse rate and Weight is non-linear II. The regression model on which this residual plot...
5) Left-skewed Question 5 (1 point) The five-number summary for a dataset on Temperature is given in the table below. Using this information, calculate the percent of values below 30.6. 01 Median Q3 51 306 708 799 973 1) 100% 2) 75% 3) 0% 4) 50% : 5) 25% Question 6 (1 point) Google's stock (GOOG) was tracked for 10 days, showing closing prices of 1123.52: 1o996 1,090.23; 1,092.45 1,103.57; 1.108.7% 1,120.82; 1,11804; 1,109.68; 1,121.34. Calculate the coefficient of variation...