Problem 23 Your answer is partially correct. Try again. Mop and Broom Manufacturing has tracked the number of units sold of their most popular mop over the past twenty- four months. This is shown. Month Sales Month Sales Month Sales 17 18 19 20 1 2 3 4 5 6 7 8 246 241 257 262 272 273 393 310 9 10 11 12 13 14 15 16 309 327 347 351 362 360 375 353 362 372 359 382 395 401 414 408 21 22 23 24 a. Develop a linear trend line for the data. (Round your answer to 2 decimal places, the tolerance is +/-0.01.) 251.77 7.16 Sales = (month) b. Compute a correlation coefficient for the data and evaluate the strength of the linear relationship. (Round your answer to 2 decimal places, the tolerance is +/-0.01.) Correlation coefficient is 0.89 It a strong, postive cates linear relationship. (Use not rounded amounts to answer this question.) 408 353 24 16 8 310 a. Develop a linear trend line for the data. (Round your answer to 2 decimal places, the tolerance is +/-0.01.) 251.77 7.16 (month) Sales = b. Compute a correlation coefficient for the data and evaluate the strength of the linear relationship. (Round your answer to 2 decimal places, the tolerance is +/-0.01.) 0.89 Correlation coefficient is It indicates a strong, postive linear relationship. (Use not rounded amounts to answer this question.) c. Using the linear trend line equation, develop a forecast for the next period, month 25. (Round your answer to 2 decimal places, the tolerance is +/-0.01. Do not round intermediate results used to achieve this answer.) 430.77 Forecast for month 25 =