b) i. Number of words recognised correctly (out of 20) at the end of the study Frequency 0-5 words 10 6-10 words 40 11-15 words 30 16-20 words 20 Table 2 The results of the working memory training group at the end of the study are shown in Table 2. On the next page, draw a histogram to display the data in Table 2. ii. Interpret the histogram that you have drawn for part (i).