Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021   1-Nov 55 61   2-Nov 47 52   3-Nov 57 55   4-Nov 67 53   5-Nov 70 55   6-Nov 73 55   7-Nov 77 56   8-Nov 80 68   9-Nov 79 72   10-Nov 76 67   11-Nov 72 67   12-Nov 60 65   13-Nov 54 64   14-Nov 54 47   15-Nov 66 50   16-Nov 54 50   17-Nov 49 61   18-Nov 38 72   19-Nov 50 50   20-Nov 65 49   21-Nov 66 56   22-Nov 60 50   23-Nov 55 45   24-Nov 50 46   25-Nov 61 59   26-Nov 68 48   27-Nov 62 43   28-Nov 57 43   29-Nov 59 44   30-Nov 67 41   Please find the range and standard deviation

Q: Which price range(s) has a relative frequency greater than 0.18 and less than 0.27?

A:

Q: If there were drivers who drove 80 or 85 mph would the mean stay the same or get higher or lower?

A: The given frequency table is shown below: x f 85 2 80 3 75 15 70 20 65 50 60 45 55…

Q: Where do the cumulative frequency numbers come from?

A: The frequency table is given.

Q: The average American gets a haircut every 39 days. Do college students get their hair cut less…

A: A hypothesis test is a statistical  method that uses sample data to evaluate a hypothesis  about a…

Q: Choose the correct options and pls tell me why

A: a.  The response variable is jan_temperature. b. The explanatory variable is Latitude.c. The…

Q: Exercise 1 Plot the point (1,–1,-/6) in rectangular coordinates, then find the corresponding ,-1,…

A:

Q: A relative max/min can also be a global max/min. O True O False

A: We have given a statement  A relative max/min can also be a global max/min. Relative max/min occurs…

Q: The chart below shows the temperatures (F) of Lake Murray taken on the first day of the month for 5…

A: Here is a breakdown of the temperature changes for Lake Murray based on data collected from the top…

Q: The following data show the lengths of boats moored in a marina…

A: If a data set is not normally distributed then a different amount could be within one standard…

Q: Every year students are given a musical aptitude test that rates them from 0 (no musical aptitude)…

A:

Q: ​        15,\ 13,\ 12,\ 18,\ 20,\ 19,\ 1215, 13, 12, 18, 20, 19, 12  ​ ​Find the first, second, and…

A: the given data is 15,13,12,18,20,19,12 arrange the data  in increasing order 12,12,13,15,18,19,20…

Q: Suppose that the average number of miles driven by a CSULA students is 15,000 and the standard error…

A: The confidence interval is ( 2120, 27880)Explanation:Given that:mean (x̄)=15000(standard error…

Q: Seiko studies ponderosa pine trees. She graphed the heights and ages of some trees below. Ponderosa…

A: By seeing the graph of ponderosa pine tree age and heights we can say that there is approximately…

Q: The scores and their percent of the final grade for a statistics student are given. What is the…

A: The data shows the scores and their percent of the final grade for a statistics student.

Q: Below is a cumulative relative frequency graph for the lengths, in minutes, of 200 songs recorded by…

A: a) From the graphs, length cumulative frequency frequency 2 0 0.2 3 0.2 0.38 4 0.58 0.22…

Q: A “cut score” Determines who “makes the cut” Determines the proficiency of surgical success Is a…

A: In general words : Cut score :  It is a selected point where particular test score is sufficient.…

Q: Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021…

A: Solution

Q: The data shows the number of car thefts in a city for a period of 20 days.…

A: Given the data, the number of car thefts in a city for a period of 20 days as 50, 62, 69, 56, 52,…

Q: The accompanying table shows eleven altitudes (in thousands of feet) and the speeds of sound (in…

A: By the given data,use R - software, we get as output:a) the correct scatter plot is option ● D.b)…

Q: Suppose you studying the relationship between time studied for the LSAT and score on the LSAT. To…

A: Hours studiedScore80140100131120138120143150158160149180162200161210157

Q: The number of fish in a lake decreased by 25% between last yeah and this year .last year there were…

A: Given: Number of fish in a lake last year was=60 Decrease of fish in the lake between last year and…

Q: 6.) х%3 26

A:

Q: 3) Try to show the Women's Post-Med blood pressure population standard deviation is less than 11?…

A: It is required to test whether the population standard deviation of Women's Post-Med BP σ is less…

Q: Based on above assume you are using the moving average forecasting method based on the last four…

A: To forecast the next period using the moving average method based on the last four observations, the…

Q: The following data represent the number of people aged 25 to 64 years covered by health insurance…

A: Mean=5329.55/118.9=44.82 yrs

Q: A statistics professor for STAT 250 wants to investigate how long it takes students to complete Exam…

A: Given: Sample Mean Std.dev 26 43.93 7.14

Q: Source Value Std_Err t P_value Intercept 101994.90 5224.233 19.523 <0.0001 Female -24711.92 7127.380…

A: The given regression results are as…

Q: It is believed that the height of the taller parent is related to the height of the tallest child.…

A:

Q: It is commonly believed that the mean body temperature of a healthy adult is 98.6^\circ F. You are…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: have attached an image for the question, please include instructions on how to figure this out if

A: Hypothesis testing using paired t test step by step.

Q: Data shows the temperature for the months of Novemember 2020 and November 2021. Date 2020 2021…

A: The formula for sample variance of an data set is defined by as follows…

Q: Explain Forecast Uncertainty and Forecast Intervals?

A: Forecast Uncertainty and Forecast Intervals: Forecasting is the technique used to predict the future…

Q: How to construct the Cumulative Frequency Distributions? Explain with the example.

A: The cumulative frequency distribution is the sum of the class and all classes below it in a…